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This webpage reproduces one of the
Lives of the Eminent Philosophers

Diogenes Laërtius

published in the Loeb Classical Library, 1925

The text is in the public domain.

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and I believe it to be free of errors.
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(Vol. II) Diogenes Laërtius
Lives of the Eminent Philosophers

Book VII

 p111  Chapter 1
Zeno (333‑261 B.C.)

[link to original Greek text] Zeno, the son of Mnaseas (or Demeas), was a native of Citium in Cyprus, a Greek city which had received Phoenician settlers. He had a wry neck, says Timotheus of Athens in his book On Lives. Moreover, Apollonius of Tyre says he was lean, fairly tall, and swarthy — hence some one called him an Egyptian vine-branch, according to Chrysippus in the first book of his Proverbs. He had thick legs; he was flabby and delicate. Hence Persaeus in Convivial Reminiscences relates that he declined most invitations to dinner. They say he was fond of eating green figs and of basking in the sun.

[link to original Greek text] He was a pupil of Crates, as stated above. Next they say he attended the lectures of Stilpo and Xenocrates for ten years — so Timocrates says in his Dion — and Polemo as well. It is stated by Hecato and by Apollonius of Tyre that he consulted the oracle to know what he should do to attain the best life, and that the god's response was that he should take on the complexion of the dead. Whereupon, perceiving what this meant, he studied ancient authors. Now the way he came  p113 across Crates was this. He was shipwrecked on a voyage from Phoenicia to Peiraeus with a cargo of purple. He went up into Athens and sat down in a bookseller's shop, being then a man of thirty. As he went on reading the second book of Xenophon's Memorabilia, he was so pleased that he inquired where men like Socrates were to be found. [link to original Greek text] Crates passed by in the nick of time, so the bookseller pointed to him and said, "Follow yonder man." From that day he became Crates's pupil, showing in other respects a strong bent for philosophy, though with too much native modesty to assimilate Cynic shamelessness. Hence Crates, desirous of curing this defect in him, gave him a potful of lentil-soup to carry through the Ceramicus; and when he saw that he was ashamed and tried to keep it out of sight, with a blow of his staff he broke the pot. As Zeno took to flight with the lentil-soup flowing down his legs, "Why run away, my little Phoenician?" quoth Crates, "nothing terrible has befallen you."

[link to original Greek text] For a certain space, then, he was instructed by Crates, and when at this time he had written his Republic, some said in jest that he had written it on Cynosura, i.e. on the dog's tail.​1 Besides the Republic he wrote the following works:

Of Life according to Nature.

Of Impulse, or Human Nature.

Of Emotions.

Of Duty.

 p115  Of Law.

Of Greek Education.

Of Vision.

Of the Whole World.

Of Signs.

Pythagorean Questions.


Of Varieties of Style.

Homeric Problems, in five books.

Of the Reading of Poetry.

There are also by him:

A Handbook of Rhetoric.


Two books of Refutations.

Recollections of Crates.


This is a list of his writings. But at last he left Crates, and the men above mentioned were his masters for twenty years. Hence he is reported to have said, "I made a prosperous voyage when I suffered shipwreck." [link to original Greek text] But others attribute this saying of his to the time when he was under Crates. A different version of the story is that he was staying at Athens when he heard his ship was wrecked and said, "It is well done of thee, Fortune, thus to drive me to philosophy." But some say that he disposed of his cargo in Athens, before he turned his attention to philosophy.

He used then to discourse, pacing up and down in the painted colonnade, which is also called the colonnade or Portico​2 of Pisianax, but which received its name  p117 from the painting of Polygnotus; his object being to keep the spot clear of a concourse of idlers. It was the spot where in the time of the Thirty 1400 Athenian citizens had been put to death.​3 Hither, then, people came henceforth to hear Zeno, and this is why they were known as men of the Stoa, or Stoics; and the same name was given to his followers, who had formerly been known as Zenonians. So it is stated by Epicurus in his letters. According to Eratosthenes in his eighth book On the Old Comedy, the name of Stoic had formerly been applied to the poets who passed their time there, and they had made the name of Stoic still more famous.

[link to original Greek text] The people of Athens held Zeno in high honour, as is proved by their depositing with him the keys of the city walls, and their honouring him with a golden crown and a bronze statue. This last mark of respect was also shown to him by citizens of his native town, who deemed his statue an ornament to their city,​4 and the men of Citium living in Sidon were also proud to claim him for their own. Antigonus (Gonatas) also favoured him, and whenever he came to Athens would hear him lecture and often invited him to come to his court. This offer he declined but dispatched thither one of his friends, Persaeus, the son of Demetrius and a native of Citium, who flourished in the 130th Olympiad (260‑256 B.C.), at which time Zeno was already an old man. According to Apollonius of Tyre in his work upon Zeno, the letter of Antigonus was couched in the following terms:

 p119  [link to original Greek text] "King Antigonus to Zeno the philosopher, greeting.

"While in fortune and fame I deem myself your superior, in reason and education I own myself inferior, as well as in the perfect happiness which you have attained. Wherefore I have decided to ask you to pay me a visit, being persuaded that you will not refuse the request. By all means, then, do your best to hold conference with me, understanding clearly that you will not be the instructor of myself alone but of all the Macedonians taken together. For it is obvious that whoever instructs the ruler of Macedonia and guides him in the paths of virtue will also be training his subjects to be good men. As is the ruler, such for the most part it may be expected that his subjects will become."

And Zeno's reply is as follows:

[link to original Greek text] Zeno to King Antigonus, greeting.

"I welcome your love of learning in so far as you cleave to that true education which tends to advantage and not to that popular counterfeit of it which serves only to corrupt morals. But if anyone has yearned for philosophy, turning away from much-vaunted pleasure which renders effeminate the souls of some of the young, it is evident that not by nature only, but also by the bent of his will he is inclined to nobility of character. But if a noble nature be aided by moderate exercise and further receive ungrudging instruction, it easily comes to acquire virtue in perfection. [link to original Greek text] But I am constrained by bodily weakness, due to old age, for I am eighty years old; and for that reason I am unable to join you. But I send you certain companions of my studies whose mental powers are not inferior to mine, while their  p121 bodily strength is far greater, and if you associate with these you will in no way fall short of the conditions necessary to perfect happiness."

So he sent Persaeus and Philonides the Theban; and Epicurus in his letter to his brother Aristobulus mentions them both as living with Antigonus. I have thought it well to append the decree also which the Athenians passed concerning him. [link to original Greek text] 10 It reads as follows:5

In the archon­ship of Arrhenides, in the fifth prytany of the tribe Acamantis on the twenty-first day of Maemacterion, at the twenty-third plenary assembly of the prytany, one of the presidents, Hippo, the son of Cratistoteles, of the deme Xypetaeon, and his co‑presidents put the question to the vote; Thraso, the son of Thraso of the deme Anacaea, moved:

"Whereas Zeno of Citium, son of Mnaseas, has for many years been devoted to philosophy in the city and has continued to be a man of worth in all other respects, exhorting to virtue and temperance those of the youth who come to him to be taught, directing them to what is best, affording to all in his own conduct a pattern for imitation in perfect consistency with his teaching, [link to original Greek text] 11 it has seemed good to the people — and may it turn out well — to bestow praise upon Zeno of Citium, the son of Mnaseas, and to crown him with a golden crown according to the law, for his goodness and temperance, and to build him a tomb in the Ceramicus at the public cost. And that for the making of the crown and the building of the tomb, the people shall now elect five commissioners  p123 from all Athenians, and the Secretary of State shall inscribe this decree on two stone pillars and it shall be lawful for him to set up one in the Academy and the other in the Lycaeum. And that the magistrate presiding over the administration shall apportion the expense incurred upon the pillars, that all may know that the Athenian people honour the good both in their life and after their death. [link to original Greek text] 12 Thraso of the deme Anacaea, Philocles of Peiraeus, Phaedrus of Anaphlystus, Medon of Acharnae, Micythus of Sypalettus, and Dion of Paeania have been elected commissioners for the making of the crown and the building."

These are the terms of the decree.

Antigonus of Carystus tells us that he never denied that he was a citizen of Citium. For when he was one of those who contributed to the restoration of the baths and his name was inscribed upon the pillar as "Zeno the philosopher," he requested that the words "of Citium" should be added. He made a hollow lid for a flask and used to carry about money in it, in order that there might be provision at hand for the necessities of his master Crates. [link to original Greek text] 13 It is said that he had more than a thousand talents when he came to Greece, and that he lent this money on bottomry.​6 He used to eat little loaves and honey and to drink a little wine of good bouquet. He rarely employed men‑servants; once or twice indeed he might have a young girl to wait on him in order not to seem a misogynist. He shared the same house with Persaeus, and when the latter brought in a little flute-player he lost no time in leading her straight to Persaeus. They tell us he readily adapted himself to circumstances,  p125 so much so that King Antigonus often broke in on him with a noisy party, and once took him along with other revellers to Aristocles the musician; Zeno, however, in a little while gave them the slip. [link to original Greek text] 14 He disliked, they say, to be brought too near to people, so that he would take the end seat of a couch, thus saving himself at any rate from one half of such inconvenience. Nor indeed would he walk about with more than two or three. He would occasionally ask the bystanders for coppers, in order that, for fear of being asked to give, people might desist from mobbing him, as Cleanthes says in his work On Bronze. When several persons stood about him in the Colonnade he pointed to the wooden railing at the top round the altar and said, "This was once open to all, but because it was found to be a hindrance it was railed off. If you then will take yourselves off out of the way you will be the less annoyance to us."

When Demochares, the son of Laches, greeted him and told him he had only to speak or write for a thing he wanted to Antigonus, who would be sure to grant all his requests, Zeno after hearing this would have nothing more to do with him.​7 [link to original Greek text]15 º After Zeno's death Antigonus is reported to have said, "What an audience I have lost."​8 Hence too he employed Thraso as his agent to request the Athenians to bury Zeno in the Ceramicus. And when asked why he admired him, "Because," said  p127 he, "the many ample gifts I offered him never made him conceited nor yet appear poor-spirited."

His bent was towards inquiry, and he was an exact reasoner on all subjects. Hence the words of Timon in his Silli:9

A Phoenician too I saw, a pampered old woman ensconced in gloomy pride, longing for all things; but the meshes of her subtle web have perished, and she had no more intelligence than a banjo.​10

[link to original Greek text] 16 He used to dispute very carefully with Philo the logician and study along with him. Hence Zeno, who was the junior, had as great an admiration for Philo as his master Diodorus. And he had about him certain ragged dirty fellows, as Timon says​11 in these lines:

The while he got together a crowd of ignorant serfs, who surpassed all men in beggary and were the emptiest of townsfolk.​12

Zeno himself was sour and of a frowning countenance. He was very niggardly too, clinging to meanness unworthy of a Greek, on the plea of economy. If he pitched into anyone he would do it concisely, and not effusively, keeping him rather at arm's length. I mean, for example, his remark upon the fop showing himself off. [link to original Greek text] 17 When he was slowly picking his way across a watercourse, "With good reason," quoth Zeno, "he looks askance at the mud, for he can't see his face in it." When a certain Cynic declared he had no oil in his flask and begged some of him, Zeno refused to give him any. However, as the man went away, Zeno bade him consider which of  p129 the two was the more impudent. Being enamoured of Chremonides, as he and Cleanthes were sitting beside the youth, he got up, and upon Cleanthes expressing surprise, "Good physicians tell us," said he, "that the best cure for inflammation is repose." When of two reclining next to each other over the wine, the one who was neighbour to Zeno kicked the guest below him, Zeno himself nudged the man with his knee, and upon the man turning round, inquired, "How do you think your neighbour liked what you did to him?" [link to original Greek text] 18 To a lover of boys he remarked, "Just as schoolmasters lose their common-sense by spending all their time with boys, so it is with people like you." He used to say that the very exact expressions used by those who avoided solecisms were like the coins struck by Alexander: they were beautiful in appearance and well-rounded like the coins, but none the better on that account. Words of the opposite kind he would compare to the Attic tetradrachms, which, though struck carelessly and inartistically, nevertheless outweighed the ornate phrases. When his pupil Ariston discoursed at length in an uninspired manner, sometimes in a headstrong and over-confident way, "Your father," said he, "must have been drunk when he begat you." Hence he would call him a chatterbox, being himself concise in speech.

[link to original Greek text] 19 There was a gourmand so greedy that he left nothing for his table companions. A large fish having been served, Zeno took it up as if he were about to eat the whole. When the other looked at him, "What do you suppose," said he, "those who live with you feel every day, if you cannot put up with my gourmandise in this single instance?" A  p131 youth was putting a question with more curiosity than became his years, whereupon Zeno led him to a mirror, and bade him look in it; after which he inquired if he thought it became anyone who looked like that to ask such questions. Some one said that he did not in general agree with Antisthenes, whereupon Zeno produced that author's essay on Sophocles, and asked him if he thought it had any excellence; to which the reply was that he did not know. "Then are you not ashamed," quoth he, "to pick out and mention anything wrong said by Antisthenes, while you suppress his good things without giving them a thought?"

[link to original Greek text] 20 Some one having said that he thought the chain-arguments of the philosophers seemed brief and curt, Zeno replied, "You are quite right; indeed, the very syllables ought, if possible, to be clipped." Some one remarked to him about Polemo, that his discourse was different from the subject he announced. He replied with a frown, "Well, what value would you have set upon what was given out?" He said that when conversing we ought to be earnest and, like actors, we should have a loud voice and great strength; but we ought not to open the mouth too wide, which is what your senseless chatterbox does. "Telling periods," he said, "unlike the works of good craftsmen, should need no pause for the contemplation of their excellences; on the contrary, the hearer should be so absorbed in the discourse itself as to have no leisure even to take notes."

[link to original Greek text] 21 Once when a young man was talking a good deal, he said, "Your ears have slid down and merged in your tongue." To the fair youth, who gave it as his opinion that the wise man would not fall in love,  p133 his reply was: "Then who can be more hapless than you fair youths?" He used to say that even of philosophers the greater number were in most things unwise, while about small and casual things they were quite ignorant. And he used to cite the saying of Caphisius, who, when one of his pupils was endeavouring to blow the flute lustily, gave him a slap and told him that to play well does not depend on loudness, though playing loudly may follow upon playing well.​13 And to a youth who was talking somewhat saucily his rejoinder was, "I would rather not tell you what I am thinking, my lad."

[link to original Greek text] 22 A Rhodian, who was handsome and rich, but nothing more, insisted on joining his class; but so unwelcome was this pupil, that first of all Zeno made him sit on the benches that were dusty, that he might soil his cloak, and then he consigned him to the place where the beggars sat, that he might rub shoulders with their rags; so at last the young man went away. Nothing, he declared, was more unbecoming than arrogance, especially in the young. He used also to say that it was not the words and expressions that we ought to remember, but we should exercise our mind in disposing to advantage of what we hear, instead of, as it were, tasting a well-cooked dish or well-dressed meal. The young, he thought, should behave with perfect propriety in walk, gait and dress, and he used continually to quote the lines of Euripides about Capaneus:

Large means had he, yet not the haughtiness

That springs from wealth, nor cherished prouder thoughts

Of vain ambition than the poorest man.​14

[link to original Greek text] 23 Again he would say that if we want to master the sciences there is nothing so fatal as conceit, and  p135 again there is nothing we stand so much in need of as time. To the question "Who is a friend?" his answer was, "A second self (alter ego)." We are told that he was once chastising a slave for stealing, and when the latter pleaded that it was his fate to steal, "Yes, and to be beaten too," said Zeno. Beauty he called the flower of chastity, while according to others it was chastity which he called the flower of beauty.​15 Once when he saw the slave of one of his acquaintance marked with weals, "I see," said he, "the imprints of your anger." To one who had been drenched with unguent, "Who is this," quoth he, "who smells of woman?" When Dionysius the Renegade asked, "Why am I the only pupil you do not correct?" the reply was, "Because I mistrust you." To a stripling who was talking nonsense his words were, "The reason why we have two ears and only one mouth is that we may listen the more and talk the less." [link to original Greek text] 24 One day at a banquet he was reclining in silence and was asked the reason: whereupon he bade his critic carry word to the king that there was one present who know with how to hold his tongue. Now those who inquired of him were ambassadors from King Ptolemy, and they wanted to know what message they should take back from him to the king. On being asked how he felt about abuse, he replied, "As an envoy feels who is dismissed without an answer." Apollonius of Tyre tells us how, when Crates laid hold on him by the cloak to drag him from Stilpo, Zeno said, "The right way to seize a philosopher, Crates, is by the ears:  p137 persuade me then and drag me off by them; but, if you use violence, my body will be with you, but my mind with Stilpo."

[link to original Greek text] 25 According to Hippobotus he forgathered with Diodorus, with whom he worked hard at dialectic. And when he was already making progress, he would enter Polemo's school: so far from all self-conceit was he. In consequence Polemo is said to have addressed him thus: "You slip in, Zeno, by the garden door — I'm quite aware of it — you filch my doctrines and give them a Phoenician make‑up." A dialectician once showed him seven logical forms concerned with the sophism known as "The Reaper"​a and Zeno asked him how much he wanted for them. Being told a hundred drachmas, he promptly paid two hundred: to such lengths would he go in his love of learning. They say too that he first introduced the word Duty and wrote a treatise on the subject. It is said, moreover, that he corrected Hesiod's lines thus:

He is best of all men who follows good advice: good too is he who finds out all things for himself.​16

[link to original Greek text] 26 The reason he gave for this was that the man capable of giving a proper hearing to what is said and profiting by it was superior to him who discovers everything by himself. For the one had merely a right apprehension, the other in obeying good counsel superadded conduct.

When he was asked why he, though so austere, relaxed at a drinking-party, he said, "Lupins too are bitter, but when they are soaked become sweet." Hecato too in the second book of his Anecdotes says that he indulged freely at such gatherings. And he would say, "Better to trip with the feet than with  p139 the tongue." "Well-being is attained by little and little, and nevertheless it is no little thing itself." Others attribute this17 to Socrates.

He showed the utmost endurance, and the greatest frugality; the food he used required no fire to dress, and the cloak he wore was thin. [link to original Greek text] 27 Hence it was said of him:

The cold of winter and the ceaseless rain

Come powerless against him: weak the dart

Of the fierce summer sun or racking pain

To bend that iron frame., He stands apart

Unspoiled by public feast and jollity:

Patient, unwearied night and day doth he

Cling to his studies of philosophy.

Nay more: the comic poets by their very jests at his expense praised him without intending it. Thus Philemon says in a play, Philosophers:

This man adopts a new philosophy.

He teaches to go hungry: yet he gets

Disciples. One sole loaf of bread his food:

His best dessert dried figs; water his drink.

Others attribute these lines to Poseidippus.

By this time he had almost become a proverb. At all events, "More temperate than Zeno the philosopher" was a current saying about him. Poseidippus also writes in his Men Transported:

So that for ten whole days

More temperate than Zeno's self he seemed.

[link to original Greek text] 28 And in very truth in this species of virtue and in dignity he surpassed all mankind, ay, and in happiness; for he was ninety-eight when he died and had enjoyed good health without an ailment to the  p141 last. Persaeus, however, in his ethical lectures makes him die at the age of seventy‑two, having come to Athens at the age of twenty‑two. But Apollonius says that he presided over the school for fifty-eight years. The manner of his death was as follows. As he was leaving the school he tripped and fell, breaking a toe. Striking the ground with his fist, he quoted the line from the Niobe:18

I come, I come, why dost thou call for me?

and died on the spot through holding his breath.

[link to original Greek text] 29 The Athenians buried him in the Ceramicus and honoured him in the decrees already cited above, adding their testimony of his goodness. Here is the epitaph composed for him by Antipater of Sidon:19

Here lies great Zeno, dear to Citium, who scaled high Olympus, though he piled not Pelion on Ossa, nor toiled at the labours of Heracles, but this was the path he found out to the stars — the way of temperance alone.

[link to original Greek text] 30 Here too is another by Zenodotus the Stoic, a pupil of Diogenes:20

Thou madest self-sufficiency thy rule,

Eschewing haughty wealth, O godlike Zeno,

With aspect grave and hoary brow serene.

A manly doctrine thine: and by thy prudence

With much toil thou didst found a great new school,

Chaste parent of unfearing liberty,

And if thy native country was Phoenicia,

What need to slight thee? came not Cadmus thence,

Who gave to Greece her books and art of writing?

And Athenaeus the epigrammatist speaks of all the Stoics in common as follows:21

 p143  O ye who've learnt the doctrines of the Porch

And have committed to your books divine

The best of human learning, teaching men

That the mind's virtue is the only good!

She only it is who keeps the lives of men

And cities, — safer than high gates and walls.

But those who place their happiness in pleasure

Are led by the least worthy of the Muses.

[link to original Greek text] 31 We have ourselves mentioned the manner of Zeno's death in the Pammetros (a collection of poems in various metres):

The story goes that Zeno of Citium after enduring many hardships by reason of old age was set free, some say by ceasing to take food; others say that once when he had tripped he beat with his hand upon the earth and cried, "I come of my own accord; why then call me?"​22

For there are some who hold this to have been the manner of his death.

So much then concerning his death.

Demetrius the Magnesian, in his work on Men of the Same Name, says of him: his father, Mnaseas, being a merchant often went to Athens and brought away many books about Socrates for Zeno while still a boy. [link to original Greek text] 32 Hence he had been well trained even before he left his native place. And thus it came about that on his arrival at Athens he attached himself to Crates. And it seems, he adds, that, when the rest were at a loss how to express their views, Zeno framed a definition of the end. They say that he was in the habit of swearing by "capers" just as Socrates used to swear by "the dog." Some there are, and among them Cassius the Sceptic and his disciples, who accuse Zeno at length. Their first count is that in the beginning of his Republic he  p145 pronounced the ordinary education useless: the next is that he applies to all men who are not virtuous the opprobrious epithets of foemen, enemies, slaves, and aliens to one another, parents to children, brothers to brothers, friends to friends.

[link to original Greek text] 33 Again, in the Republic, making an invidious contrast, he declares the good alone to be true citizens or friends or kindred or free man; and accordingly in the view of the Stoics parents and children are enemies, not being wise. Again, it is objected, in the Republic he lays down community of wives, and at lines 200 prohibits the building of temples, law‑courts and gymnasia in cities; while as regards a currency he writes that we should not think it need be introduced either for purposes of exchange or for travelling abroad. Further, he bids men and women wear the same dress and keep no part of the body entirely covered. [link to original Greek text] 34 That the Republic is the work of Zeno is attested by Chrysippus in his De Republica. And he discussed amatory subjects in the beginning of that book of his which is entitled "The Art of Love." Moreover, he writes much the same in his Interludes. So much for the criticisms to be found not only in Cassius but in Isidorus of Pergamum, the rhetorician. Isidorus likewise affirms that the passages disapproved by the school were expunged from his works by Athenodorus the Stoic, who was in charge of the Pergamene library; and that afterwards, when Athenodorus was detected and compromised, they were replaced. So much concerning the passages in his writings which are regarded as spurious.

[link to original Greek text] 35 There have been eight persons of the name of Zeno. First the Eleatic, of whom more hereafter; the second our present subject; the third a Rhodian  p147 who wrote a local history in one volume; the fourth a historian who wrote about the expedition of Pyrrhus into Italy and Sicily, and besides that an epitome of the political history of Rome and Carthage; the fifth a pupil of Chrysippus, who left few writings but many disciples; the sixth a physician of the school of Herophilus, a competent practitioner, though a poor writer; the seventh a grammarian, who besides other writings has left behind him epigrams; the eighth a Sidonian by birth and an Epicurean philosopher, lucid both in thinking and in style.

[link to original Greek text] 36 Of the many disciples of Zeno the following are the most famous: Persaeus, son of Demetrius, of Citium, whom some call a pupil and others one of the household, one of those sent him by Antigonus to act as secretary: he had been tutor to Antigonus's son Halcyoneus. And Antigonus once, wishing to make trial of him, caused some false news to be brought to him that his estate had been ravaged by the enemy, and as his countenance fell, "Do you see," said he, "that wealth is not a matter of indifference?"

The following works are by Persaeus:

Of Kingship.

The Spartan Constitution.

Of Marriage.

Of Impiety.


Of Love.



Four books of Anecdotes.


A Reply to Plato's Laws in seven books.

 p149  [link to original Greek text] 37  Ariston, the son of Miltiades and a native of Chios, who introduced the doctrine of things morally indifferent; Herillus of Carthage, who affirmed knowledge to be the end; Dionysius, who became a renegade to the doctrine of pleasure, for owing to the severity of his ophthalmia he had no longer the nerve to call pain a thing indifferent: his native place was Heraclea; Sphaerus of Bosporus; Cleanthes, son of Phanias, of Assos, his successor in the school; him Zeno used to compare to hard waxen tablets which are difficult to write upon, but retain the characters written upon them. Sphaerus also became the pupil of Cleanthes after Zeno's death, and we shall have occasion to mention him in the Life of Cleanthes.​b [link to original Greek text] 38 And furthermore the following according to Hippobotus were pupils of Zeno: Philonides of Thebes; Callippus of Corinth; Posidonius of Alexandria; Athenodorus of Soli; and Zeno of Sidon.23

I have decided to give a general account of all the Stoic doctrines in the life of Zeno because he was the founder of the School. I have already given a list of his numerous writings, in which he has spoken as has no other of the Stoics. And his tenets in general are as follows. In accordance with my usual practice a summary statement must suffice.24

[link to original Greek text] 39 Philosophic doctrine, say the Stoics, falls into three parts: one physical, another ethical, and the third logical. Zeno of Citium was the first to make this division in his Exposition of Doctrine, and Chrysippus too did so in the first book of his Exposition of Doctrine and the first book of his Physics; and so  p151 too Apollodorus and Syllus in the first part of their Introductions to Stoic Doctrine, as also Eudromus in his Elementary Treatise on Ethics, Diogenes the Babylonian, and Posidonius.

These parts are called by Apollodorus "Heads of Commonplace"; by Chrysippus and Eudromus specific divisions; by others generic divisions. [link to original Greek text] 40 Philosophy, they say, is like an animal, Logic corresponding to the bones and sinews, Ethics to the fleshy parts, Physics to the soul. Another simile they use is that of an egg: the shell is Logic, next comes the white, Ethics, and the yolk in the centre is Physics. Or, again, they liken Philosophy to a fertile field: Logic being the encircling fence, Ethics the crop, Physics the soil or the trees. Or, again, to a city strongly walled and governed by reason.

No single part, some Stoics declare, is independent of any other part, but all blend together. Nor was it usual to teach them separately. Others, however, start their course with Logic, go on to Physics, and finish with Ethics; and among those who so do are Zeno in his treatise On Exposition, Chrysippus, Archedemus and Eudromus.

[link to original Greek text] 41 Diogenes of Ptolemaïs, it is true, begins with Ethics; but Apollodorus puts Ethics second, while Panaetius and Posidonius begin with Physics, as stated by Phanias, the pupil of Posidonius, in the first book of his Lectures of Posidonius. Cleanthes makes not three, but six parts, Dialectic, Rhetoric, Ethics, Politics, Physics, Theology. But others say that these are divisions not of philosophic expression, but of philosophy itself: so, for instance, Zeno of Tarsus. Some div the logical part of the system into the two sciences of rhetoric and dialectic; while  p153 some would add that which deals with definitions and another part concerning canons or criteria: some, however, dispense with the part about definitions.

[link to original Greek text] 42 Now the part which deals with canons or criteria they admit as a means for the discovery of truth, since in the course of it they explain the different kinds of perceptions that we have. And similarly the part about definitions is accepted as a means of recognizing truth, inasmuch as things are apprehended by means of general notions. Further, by rhetoric they understand the science of speaking well on matters set forth by plain narrative, and by dialectic that of correctly discussing subjects by question and answer; hence their alternative definition of it as the science of statements true, false, and neither true nor false.

Rhetoric itself, they say, has three divisions: deliberative, forensic, and panegyric.

[link to original Greek text] 43 Rhetoric according to them may be divided into invention of arguments, their expression in words, their arrangement, and delivery; and a rhetorical speech into introduction, narrative, replies to opponents, and peroration.

Dialectic (they hold) falls under two heads: subjects of discourse and language. And the subjects fall under the following headings: presentations​25 and the various products to which they give rise, propositions enunciated and their constituent subjects and predicates, and similar terms whether direct or reversed, genera and species, arguments  p155 too, moods, syllogisms and fallacies whether due to the subject matter or to the language; [link to original Greek text] 44 these including both false and true and negative arguments, sorites and the like, whether defective, insoluble, or conclusive, and the fallacies known as the Veiled, or Horned, No man, and The Mowers.

The second main head mentioned above as belonging to Dialectic is that of language, wherein are included written language and the parts of speech, with a discussion of errors in syntax and in single words, poetical diction, verbal ambiguities, euphony and music, and according to some writers chapters on terms, divisions, and style.

[link to original Greek text] 45 The study of syllogisms they declare to be of the greatest service, as showing us what is capable of yielding demonstration; and this contributes much to the formation of correct judgements, and their arrangement and retention in memory give a scientific character to our conception of things.

An argument is in itself a whole containing premisses and conclusion, and an inference (or syllogism) is an inferential argument composed of these. Demonstration is an argument inferring by means of what is better apprehended something less clearly apprehended.

A presentation (or mental impression) is an imprint on the soul: the name having been appropriately borrowed from the imprint made by the seal upon the wax. There are two species of presentation, the one apprehending a real object, the other not. [link to original Greek text] 46 The former, which they take to be the test of reality, is defined as that which proceeds from a real object, agrees with that object itself, and has been imprinted seal-fashion and stamped upon the mind:  p157 the latter, or non‑apprehending, that which does not proceed from any real object, or, if it does, fails to agree with the reality itself, not being clear or distinct.

Dialectic, they said, is indispensable and is itself a virtue, embracing other particular virtues under it.​26 Freedom from precipitancy is a knowledge when to give or withhold the mind's assent to impressions. By wariness they mean a strong presumption against what at the moment seems probable, so as not to be taken in by it. [link to original Greek text] 47 Irrefutability is strength in argument so as not to be brought over by it to the opposite side. Earnestness (or absence of frivolity) is a habit of referring presentations to right reason. Knowledge itself they define either as unerring apprehension or as a habit or state which in reception of presentations cannot be shaken by argument. Without the study of dialectic, they say, the wise man cannot guard himself in argument so as never to fall; for it enables him to distinguish between truth and falsehood, and to discriminate what is merely plausible and what is ambiguously expressed, and without it he cannot methodically put questions and give answers.

[link to original Greek text] 48 Overhastiness in assertion affects the actual course of events, so that, unless we have our perceptions well trained, we are liable to fall into unseemly conduct and heedlessness; and in no other way will the wise man prove himself acute, nimble-witted, and generally skilful in argument; for it belongs to the same person to converse well and to argue well, to put questions to the purpose and to respond to the questions put; and all these qualifications are qualifications belonging to the skilled dialectician.

 p159  Such is, summarily stated, the substance of their logical teaching. And in order to give it also in detail,​27 let me now cite as much of it as comes within the scope of their introductory handbook. I will quote verbatim what Diocles the Magnesian says in his Synopsis of Philosophers. These are his words:

[link to original Greek text] 49 "The Stoics agree to put in the forefront the doctrine of presentation and sensation, inasmuch as the standard by which the truth of things is tested is generically a presentation, and again the theory of assent and that of apprehension and thought, which precedes all the rest, cannot be stated apart from presentation. For presentation comes first; then thought, which is capable of expressing itself, puts into the form of a proposition that which the subject receives from a presentation."

[link to original Greek text] 50 There is a difference between the process and the outcome of presentation. The latter is a semblance in the mind such as may occur in sleep, while the former is the act of imprinting something on the soul, that is a process of change, as is set forth by Chrysippus in the second book of his treatise Of the Soul (De anima). For, says he, with must not take "impression" in the literal sense of the stamp of a seal, because it is impossible to suppose that a number of such impressions should be in one and the same spot at one and the same time. The presentation meant is that which comes from a real object, agrees with that object, and has been stamped, imprinted, and pressed seal-fashion on the soul, as would not be the case if it came from an unreal object.

[link to original Greek text] 51 According to them some presentations are data of  p161 sense and others are not: the former are the impressions conveyed through one or more sense-organs; while the latter, which are not data of sense, are those received through the mind itself, as is the case with incorporeal things and all the other presentations which are received by reason. Of sensuous impressions some are from real objects and are accompanied by yielding and assent on our part. But there are also presentations that are appearances and no more, purporting, as it were, to come from real objects.

Another division of presentations is into rational and irrational, the former being those of rational creatures, the latter those of the irrational. Those which are rational are processes of thought, while those which are irrational have no name. Again, some of our impressions are scientific, others unscientific: at all events a statue is viewed in a totally different way by the trained eye of a sculptor and by an ordinary man.

[link to original Greek text] 52 The Stoics apply the term sense or sense (αἴσθησις) to three things: (1) the current passing from the principal part of the soul to the senses, (2) apprehension by means of the senses, (3) the apparatus of the sense-organs, in which some persons are deficient. Moreover, the activity of the sense-organs is itself also called sensation. According to them it is by sense that we apprehend black and white, rough and smooth, whereas it is by reason that we apprehend the conclusions of demonstration, for instance the existence of gods and their providence. General notions, indeed, are gained in the following ways: some by direct contact, some by resemblance, some by analogy, some by transposition, some by composition, and some by contrariety.

 p163  [link to original Greek text] 53 By incidence or direct contact have come our notions of sensible things; by resemblance our notions whose origin is something before us, as the notion of Socrates which we get from his bust; while under notions derived from analogy come those which we get (1) by way of enlargement, like that of Tityos or the Cyclops, or (2) by way of diminution, like that of the Pygmy. And thus, too, the centre of the earth was originally conceived on the analogy of smaller spheres. Of notions obtained by transposition creatures with eyes on the chest would be an instance, while the centaur exemplifies those reached by composition, and death those due to contrariety. Furthermore, there are notions which imply a sort of transition to the realm of the imperceptible: such are those of space and of the meaning of terms. The notions of justice and goodness come by nature. Again, privation originates notions; for instance, that of the man without hands. Such are their tenets concerning presentation, sensation, and thought.

[link to original Greek text] 54 The standard of truth they declare to be the apprehending presentation, i.e. that which comes from a real object — according to Chrysippus in the twelfth book of his Physics and to Antipater and Apollodorus. Boëthus, on the other hand, admits a plurality of standards, namely intelligence, sense-perception, appetency, and knowledge; while Chrysippus in the first book of his Exposition of Doctrine contradicts himself and declares that sensation and preconception are the only standards, preconception being a general notion which comes by the gift of nature (an innate conception of universals or general concepts). Again, certain others of the older Stoics make Right Reason the  p165 standard; so also does Posidonius in his treatise On the Standard.

[link to original Greek text] 55 In their theory of dialectic most of them see fit to take as their starting-point the topic of voice. Now voice is a percussion of the air or the proper object of the sense overhearing, as Diogenes the Babylonian says in his handbook On Voice. While the voice or cry of an animal is just a percussion of air brought about by natural impulse, man's voice is articulate and, as Diogenes puts it, an utterance of reason, having the quality of coming to maturity at the age of fourteen. Furthermore, voice according to the Stoics is something corporeal: I may cite for this Archedemus in his treatise On Voice, Diogenes, Antipater and Chrysippus in the second book of his Physics. [link to original Greek text] 56 For whatever produces an effect is body; and voice, as it proceeds from those who utter it to those who hear it, does produce an effect. Reduced to writing, what was voice becomes a verbal expression, as "day"; so says Diogenes. A statement or proposition is speech that issues from the mind and signifies something, e.g. "It is day." Dialect (διάλεκτος) means a variety of speech which is stamped on one part of the Greek world as distinct from another, or on the Greeks as distinct from other races; or, again, it means a form peculiar to some particular region, that is to say, it has a certain linguistic quality; e.g. in Attic the word for "sea" is not θάλασσα but θάλαττα, and in Ionic "day" is not ἡμέρα but ἡμέρη.

Elements of language are the four-and‑twenty letters. "Letter," however, has three meanings: (1) the particular sound or element of speech; (2) its written symbol or character; (3) its name, as  p167 Alpha is the name of the sound Α. [link to original Greek text] 57 Seven of the letters are vowels, a, e, ē, i, o, uō, and six are mutes,​c b, g, d, k, pt. There is a difference between voice and speech; because, while voice may include mere noise, speech is always articulate. Speech again differs from a sentence or statement, because the latter always signifies something, whereas a spoken word, as for example βλίτυρι,​d may be unintelligible — which a sentence never is. And to frame a sentence is more than mere utterance, for while vocal sounds are uttered, things are meant, that is, are matters of discourse.

There are, as stated by Diogenes​28 in his treatise On Language and by Chrysippus, five parts of speech: proper name, common noun, verb, conjunction, article. To these Antipater in his work On Withouts and their Meaning adds another part, the "mean."29

[link to original Greek text] 58 A common noun or appellative is defined by Diogenes as part of a sentence signifying a common quality, e.g. man, horse; whereas a name is a part of speech expressing a quality peculiar to an individual, e.g. Diogenes, Socrates. A verb is, according to Diogenes, a part of speech signifying an isolated predicate, or, as others​30 define it, an undeclined part of a sentence, signifying something that can be attached to one or more subjects, e.g. "I write," "I speak." A conjunction is an indeclinable part of speech, binding the various parts of a statement together; and an article is a declinable part of speech, distinguishing the genders and numbers of nouns, e.g. , , τό, οἱ, αἱ, τά.31

[link to original Greek text] 59 There are five excellences of speech — pure Greek, lucidity, conciseness, appropriateness, distinction. By good Greek is meant language faultless in point  p169 of grammar and free from careless vulgarity. Lucidity is a style which presents the thought in a way easily understood; conciseness a style that employs no more words than are necessary for setting forth the subject in hand; appropriateness lies in a style akin to the subject; distinction in the avoidance of colloquialism. Among vices of style barbarism is violation of the usage of Greeks of good standing; while there is solecism when the sentence has an incongruous construction.

[link to original Greek text] 60 Posidonius in his treatise On Style defines a poetical phrase as one that is metrical or rhythmical, thus mechanically avoiding the character of prose; an example of such rhythmical phrase is:

O mightiest earth, O sky, God's canopy.​32

And if such poetical phraseology is significant and includes a portrayal or representation of things human and divine, it is poetry.

A term is, as stated by Antipater in his first book and Terms, a word which, when a sentence is analysed, is uttered with complete meaning; or, according to Chrysippus in his book On Definitions, is a rendering back one's own.​33 Delineation is a statement which brings one to a knowledge of the subject in outline, or it may be called definition which embodies the force of the definition proper in a simpler form. Genus (in logic) is the comprehension in one of a number of inseparable objects of thought: e.g. Animal; for this includes all particular animals.

[link to original Greek text] 61 A notion or object of thought is a presentation to the intellect, which though not really substance nor  p171 attribute is quasi-substance or quasi-attribute.​34 Thus an image of a horse may rise before the mind, although there is no horse present.

Species is that which is comprehended under genus: thus Man is included under Animal. The highest or most universal genus is that which, being itself a genus, has no genus above: namely, reality or the real; and the lowest and most particular species is that which, being itself a specie, has no species below it, e.g. Socrates.

Division of a genus means dissection of it into its proximate species, thus: Animals are either rational or irrational (dichotomy). Contrary division dissects the genus into species by contrary qualities: for example, by means of negation, as with all things that are are divided into good and not good. Subdivision is division applied to a previous division: for instance, after saying, "Of things that are some are good, some are not good," we proceed, "and of the not good some are bad, some are neither good nor bad (morally indifferent)."

[link to original Greek text] 62 Partition in logic is (according to Crinis) classification or distribution of a genus under heads: for instance, Of goods some are mental, others bodily.

Verbal ambiguity arises when a word properly, rightfully, and in accordance with fixed usage denotes two or more different things, so that at one and the same time we may take it in several distinct senses: e.g. in Greek, where by the same verbal expression may be meant in the one case that "A house has three times" fallen, in the other that "a dancing-girl" has fallen.

Posidonius defines Dialectic as the science dealing with truth, falsehood, and that which is neither true  p173 nor false; whereas Chrysippus takes its subject to be signs and things signified. Such then is the gist of what the Stoics say in their theory of language.

[link to original Greek text] 63 To the department dealing with things as such and things signified is assigned the doctrine of expressions, including those which are complete in themselves, as well as judgements and syllogisms and that of defective expressions comprising predicates both direct and reversed.35

By verbal expression they mean that of which the content corresponds to some rational presentation. Of such expressions the Stoics say that some are complete in themselves and others defective. Those are defective the enunciation of which is unfinished, as e.g. "writes," for we inquire "Who?" Whereas in those that are complete in themselves the enunciation is finished, as "Socrates writes." And so under the head of defective expressions are ranged all predicates, while under those complete in themselves fall judgements, syllogisms, questions, and inquiries.

[link to original Greek text] 64 A predicate is, according to the followers of Apollodorus, what is said of something; in other words, a thing associated with one or more subjects; or, again, it may be defined as a defective expression which has to be joined on to a nominative case in order to yield a judgement. Of predicates some are adjectival [and so have personal subjects], as e.g. "to sail through rocks."​36 Again, some predicates are direct, some reversed, some neither. Now direct predicates are those that are constructed with one of the oblique cases, as "hears," "sees," "converses";  p175 while reversed are those constructed with the passive voice, as "I am heard," "I am seen." Neutral are such as correspond to neither of these, as "thinks," "walks." Reflexive predicates are those among the passive, which, although in form reversed, are yet active operations,​37 as "he cuts his own hair"; [link to original Greek text] 65 for here the agent includes himself in the sphere of his action. The oblique cases are genitive, dative, and accusative.

A judgement is that which is either true or false, or a thing complete in itself, capable of being denied in and by itself, as Chrysippus says in his Dialectical Definitions: "A judgement is that which in and by itself can be denied or affirmed, e.g. 'It is day,' 'Dion is walking.' " The Greek word for judgement (ἀξίωμα) is derived from the verb ἀξιοῦν, as signifying acceptance or rejection; for when you say "It is day," you seem to accept the fact that it is day. Now, if it really is day, the judgement before us is true, but if not, it is false. [link to original Greek text] 66 There is a difference between judgement, interrogation, and inquiry, as also between imperative, adjurative, optative, hypothetical, vocative, whether that to which these terms are applied be a thing or a judgement. For a judgement is that which, when we set it forth in speech, becomes an assertion, and is either false or true: an interrogation is a thing complete in itself like a judgement but demanding an answer, e.g. "Is it day?" and this is so far neither true nor false. Thus "It is day" is a judgement; "Is it day?" an interrogation. An inquiry is something to which we cannot reply by signs, as you can nod Yes to an interrogation;  p177 but you must express the answer in words, "He lives in this or that place."

[link to original Greek text] 67 An imperative is something which conveys a command: e.g.

Go thou to the waters of Inachus.​38

An adjurative utterance is something . . . A vocative utterance is something the use of which implies that you are addressing some one; for instance:

Most glorious son of Atreus, Agamemnon, lord of men.​39

A quasi-proposition is that which, having the enunciation of a judgement, yet in consequence of the intensified tone or emotion of one of its parts falls outside the class of judgements proper, e.g.

Yea, fair indeed the Parthenon!

How like to Priam's sons the cowherd is!​40

[link to original Greek text] 68 There is also, differing from a proposition or judgement, what may be called a timid suggestion, the expression of which leaves one at a loss, e.g.

Can it be that pain and life are in some sort akin?

Interrogations, inquiries and the like are neither true nor false, whereas judgements (or propositions) are always true or false.

The followers of Chrysippus, Archedemus, Athenodorus, Antipater and Crinis divide propositions into simple and not simple. Simple are those that consist of one or more propositions which are not ambiguous, as "It is day." Not simple are those that consist of one or more ambiguous propositions. They  p179 may, that is, consist either of a single ambiguous proposition, [link to original Greek text] 69 e.g. "If it is day, it is day," or of more than one proposition, e.g. "If it is day, it is light."

With simple propositions are classed those of negation, denial, affirmation, the definitive and the indefinitive; with those that are not simple the hypothetical, the inferential, the coupled or complex, the disjunctive, the causal, and that which indicates more or less. An example of a negative proposition is "It is not day." Of the negative proposition one species is the double negative. By double negative is meant the negation of a negation, e.g. "It is not not‑day." Now this presupposes that it is day.

[link to original Greek text] 70 A denial contains a negative part or particle and a predication: such as this, "No one is walking." A privative proposition is one that contains a privative particle reversing the effect of a judgement, as, for example, "This man is unkind." An affirmative or assertive proposition is one that consists of a noun in the nominative case and a predicate, as "Dion is walking." A definitive proposition is one that consists of a demonstrative in the nominative case and a predicate, as "This man is walking." An indefinitive proposition is one that consists of an indefinite word or words and a predicate, e.g. "Some one is walking," or "There's some one walking"; "He is in motion."

[link to original Greek text] 71 Of propositions that are not simple the hypothetical, according to Chrysippus in his Dialectics and Diogenes in his Art of Dialectic, is one that is formed by means of the conditional conjunction "If." Now this conjunction promises that the second of two things follows consequently upon the first, as, for instance,  p181 "If it is day, it is light." An inferential proposition according to Crinis in his Art of Dialectic is one which is introduced by conjunction "Since" and consists of an initial proposition and a conclusion; for example, "Since it is day‑time, it is light." This conjunction guarantees both that the second thing follows from the first and that the first is really a fact. [link to original Greek text] 72 A coupled proposition is one which is put together by certain coupling conjunctions, e.g. "It is day‑time and it is light." A disjunctive proposition is one which is constituted such by the disjunctive conjunction "Either," as e.g. "Either it is day or it is night." This conjunction guarantees that one or other of the alternatives is false. A causal proposition is constructed by means of the conjunction "Because," e.g. "Because it is day, it is light." For the first clause is, as it were, the cause of the second. A proposition which indicates more or less is one that is formed by the word signifying "rather than" and the word "than" in between the clauses, as, for example, "It is rather day‑time than night." [link to original Greek text] 73 Opposite in character to the foregoing is a proposition which declares what is less the fact, as e.g. "It is less or not so much night as day." Further, among propositions there are some which in respect of truth and falsehood are opposed to one another, of which the one is the negative of the other, as e.g. the propositions "It is day" and "It is not day." A hypothetical proposition is therefore true, if the contradictory of its conclusion is incompatible with its premiss, e.g. "If it is day, it is light." This is true. For the statement "It is not light," contradicting the conclusion, is incompatible with the premiss "It is day." On the other hand, a hypothetical  p183 proposition is false, if the contradictory of its conclusion does not conflict with the premiss, e.g. "If it is day, Dion is walking." For the statement "Dion is not walking" does not conflict with the premiss "It is day."

[link to original Greek text] 74 An inferential proposition is true if starting from a true premiss it also has a consequent conclusion, as e.g. "Since it is day, the sun is above the horizon." But it is false if it starts from a false premiss or has an inconsequent conclusion, as e.g. "Since it is night, Dion is walking," if this be said in day‑time. A causal proposition is true if its conclusion really follows from a premiss itself true, though the premiss does not follow conversely from the conclusion, as e.g. "Because it is day, it is light," where from the "it is day" the "it is light" duly follows, though from the statement "it is light" it would not follow that "it is day." But a causal proposition is false if it either starts from a false premiss or has an inconsequent conclusion or has a premiss that does not correspond with the conclusion, as e.g. "Because it is night, Dion is walking." [link to original Greek text] 75 A probable judgement is one which induces to assent, e.g. "Whoever gave birth to anything, is that thing's mother." This, however, is not necessarily true; for the hen is not mother of an egg.

Again, some things are possible, others impossible; and some things are necessary, others are not necessary. A proposition is possible which admits of being true, there being nothing in external circumstances to prevent it being true, e.g. "Diocles is alive." Impossible is one which does not admit of being true, as e.g. "The earth flies." That is necessary which besides being true does not admit of being  p185 false, or, while it may admit of being false, is prevented from being false by circumstances external to itself, as "Virtue is beneficial." Not necessary is that which, while true, yet is capable of being false if there are no external conditions to prevent, e.g. "Dion is walking." [link to original Greek text] 76 A reasonable proposition is one which has to start with more chances of being true than not, e.g. "I shall be alive to‑morrow."

And there are other shades of difference in propositions and grades of transition from true to false — and conversions of their terms — which we now go on to describe broadly.

An argument, according to the followers of Crinis, consists of a major premiss, a minor premiss, and a conclusion, such as for example this: "If it is day, it is light; but it is day, therefore it is light." Here the sentence "If it is day, it is light" is the major premiss, the clause "it is day" is the minor premiss, and "therefore it is light" is the conclusion. A mood is a sort of outline of an argument, like the following: "If the first, then the second; but the first is, therefore the second is."

[link to original Greek text] 77 Symbolical argument is a combination of full argument and mood; e.g. "If Plato is alive, he breathes; but the first is true, therefore the second is true." This mode of argument was introduced in order that when dealing with long complex arguments we should not have to repeat the minor premiss, if it be long, and then state the conclusion, but may arrive at the conclusion as concisely as possible: if A, then B.

Of arguments some are conclusive, others inconclusive. Inconclusive are such that the contradictory of the conclusion is not incompatible with combination  p187 of the premisses, as in the following: "If it is day, it is light; but it is day, therefore Dion walks."41

[link to original Greek text] 78 Of conclusive some are denoted by the common name of the whole class, "conclusive proper," others are called syllogistic. The syllogistic are such as either do not admit of, or are reducible to such as do not admit of, immediate proof in respect of one or more of the premisses; e.g. "If Dion walks, then Dion is in motion; but Dion is walking, therefore Dion is in motion." Conclusive specifically are those which draw conclusions, but not by syllogism; e.g. the statement "It is both day and night" is false: "now it is day; therefore it is not night." Arguments not syllogistic are those which plausibly resemble syllogistic arguments, but are not cogent proof; e.g. "If Dion is a horse, he is an animal; but Dion is not a horse, therefore he is not an animal."

[link to original Greek text] 79 Further, arguments may be divided into true and false. The former draw their conclusions by means of true premisses; e.g. "If virtue does good, vice does harm; but virtue does good, therefore vice does harm."​42 Those are false which have error in the premisses or are inconclusive; e.g. "If it is day, it is light; but it is day, therefore Dion is alive." Arguments may also be divided into possible and impossible, necessary and not necessary. Further, there are statements which are indemonstrable because they do not need demonstration; they are employed in the construction of every argument. As to the number of these, authorities differ; Chrysippus makes them five. These are assumed alike in reasoning  p189 specifically conclusive and in syllogisms both categorical and hypothetical. [link to original Greek text] 80 The first kind of indemonstrable statement is that in which the whole argument is constructed of a hypothetical proposition and the clause with which the hypothetical proposition begins, while the final clause is the conclusion; as e.g. "If the first, then the second; but the first is, therefore the second is."​43 The second is that which employs a hypothetical proposition and the contradictory of the consequent, while the conclusion is the contradictory of the antecedent; e.g. "If it is day, it is light; but it is night, therefore it is not day." Hence the minor premiss is the contradictory of the consequent; the conclusion the contradictory of the antecedent. The third kind of indemonstrable employs a conjunction of negative propositions for major premiss and one of the conjoined propositions for minor premiss, concluding thence the contradictory of the remaining proposition; e.g. "It is not the case that Plato is both dead and alive; but he is dead, therefore Plato is not alive." [link to original Greek text] 81 The fourth kind employs a disjunctive proposition and one of the two alternatives in the disjunction as premisses, and its conclusion is the contradictory of the other alternative; e.g. "Either A or B; but A is, therefore B is not." The fifth kind is that in which the argument as a whole is constructed of a disjunctive proposition and the contradictory of one of the alternatives in the disjoin, its conclusion being the other alternative; e.g. "Either it is day or it is night; but it is not night, therefore it is day."

From a truth a truth follows, according to the Stoics, as e.g. "It is light" from "It is day"; and  p191 from a falsehood a falsehood, as "It is dark" from "It is night," if this latter be untrue. Also a truth may follow from a falsehood; e.g. from "The earth flies" will follow "The earth exists"; whereas from a truth no falsehood will follow, for from the existence of the earth it does not follow that the earth flies aloft.

[link to original Greek text] 82 There are also certain insoluble arguments:​44 the Veiled Men, the Concealed, Sorites, Horned Folk, the Nobodies. The Veiled is as follows:​45 . . . "It cannot be that if two is few, three is not so likewise, nor that if two or three are few, four is not so; and so on up to ten. But two is few, therefore so also is ten." . . . The Nobody argument is an argument whose major premiss consists of an indefinite and a definite clause, followed by a minor premiss and conclusion; for example, "If anyone is here, he is not in Rhodes; but there is some one here, therefore there is not anyone in Rhodes." . . .

[link to original Greek text] 83 Such, then, is the logic of the Stoics, by which with they seek to establish their point that the wise man is the true dialectician. For all things, they say, are discerned by means of logical study, including whatever falls within the province of Physics, and again whatever belongs to that of Ethics. For else, say they, as regards statement and reasoning Physics and Ethics could not tell how to express themselves, or again concerning the proper use of terms, how the laws have defined various actions.​46 Moreover, of the two kinds of common-sense inquiry included under Virtue one considers the nature of each  p193 particular thing, the other asks what it is called. Thus much for their logic.

[link to original Greek text] 84 The ethical branch of philosophy they divide as follows: (1) the topic of impulse; (2) the topic of things good and evil; (3) that of the passions; (4) that of virtue; (5) that of the end; (6) that of primary value and of actions; (7) that of duties or the befitting; and (8) of inducements to act or refrain from acting. The foregoing is the subdivision adopted by Chrysippus, Archedemus, Zeno of Tarsus, Apollodorus, Diogenes, Antipater, and Posidonius, and their disciples. Zeno of Citium and Cleanthes treated the subject somewhat less elaborately, as might be expected in an older generation. They, however, did subdivide Logic and Physics as well as Ethics.

[link to original Greek text] 85 An animal's first impulse, say the Stoics, is to self-preservation, because nature from the outset endears it to itself, as Chrysippus affirms in the first book of his work On Ends: his words are, "The dearest thing to every animal is its own constitution and its consciousness thereof"; for it was not likely that nature should estrange the living thing from itself or that she should leave the creature she has made without either estrangement from or affection for its own constitution. We are forced then to conclude that nature in constituting the animal made it near and dear to itself; for so it comes to repel all that is injurious and give free access to all that is serviceable or akin to it.

As for the assertion made by some people that pleasure is the object to which the first impulse of animals is directed, it is shown by the Stoics to be false. [link to original Greek text] 86 For pleasure, if it is really felt, they declare  p195 to be a by‑product, which never comes until nature by itself has sought and found the means suitable to the animal's existence or constitution; it is an aftermath comparable to the condition of animals thriving and plants in full bloom. And nature, they say, made no difference originally between plants and animals, for she regulates the life of plants too, in their case without impulse and sensation, just as also certain processes go on of a vegetative kind in us. But when in the case of animals impulse has been superadded, whereby they are enabled to go in quest of their proper aliment, for them, say the Stoics, Nature's rule is to follow the direction of the impulse. But when reason by way of a more perfect leader­ship has been bestowed on the beings we call rational, for them life according to reason rightly becomes the natural life. For reason supervenes to shape impulse scientifically.

[link to original Greek text] 87 This is why Zeno was the first (in his treatise On the Nature of Man) to designate as the end "life in agreement with nature" (or living agreeably to nature), which is the same as a virtuous life, virtue being the goal towards which nature guides us. So too Cleanthes in his treatise On Pleasure, as also Posidonius, and Hecato in his work On Ends. Again, living virtuously is equivalent to living in accordance with experience of the actual course of nature, as Chrysippus says in the first book of his De finibus; for our individual natures are parts of the nature of the whole universe. [link to original Greek text] 88 And this is why the end may be defined as life in accordance with nature, or, in other words, in accordance with our own human nature as well as that of the universe, a life in which we refrain from every action forbidden  p197 by the law common to all things, that is to say, the right reason which pervades all things, and is identical with this Zeus, lord and ruler of all that is. And this very thing constitutes the virtue of the happy man and the smooth current of life, when all actions promote the harmony of the spirit dwelling in the individual man with the will of him who orders the universe. Diogenes then expressly declares the end to be to act with good reason in the selection of what is natural. Archedemus says the end is to live in the performance of all befitting actions.

[link to original Greek text] 89 By the nature with which our life ought to be in accord, Chrysippus understands both universal nature and more particularly the nature of man, whereas Cleanthes takes the nature of the universe alone as that which should be followed, without adding the nature of the individual.

And virtue, he holds, is a harmonious disposition, choice-worthy for its own sake and not from hope or fear or any external motive. Moreover, it is in virtue that happiness consists; for virtue is the state of mind which tends to make the whole of life harmonious. When a rational being is perverted, this is due to the deceptiveness of external pursuits or sometimes to the influence of associates. For the starting-points of nature are never perverse.

[link to original Greek text] 90 Virtue, in the first place, is in one sense the perfection of anything in general, say of a statue; again, it may be non‑intellectual, like health, or intellectual, like prudence. For Hecato says in his first book On the Virtues that some are scientific and based upon theory, namely, those which have a structure of theoretical principles, such as prudence  p199 and justice; others are non‑intellectual, those that are regarded as co‑extensive and parallel with the former, like health and strength. For health is found to attend upon and be co‑extensive with the intellectual virtue of temperance, just as strength is a result of the building of an arch. [link to original Greek text] 91 These are called non‑intellectual, because they do not require the mind's assent; they supervene and they occur even in bad men: for instance, health, courage. The proof, says Posidonius in the first book of his treatise on Ethics, that virtue really exists is the fact that Socrates, Diogenes, and Antisthenes and their followers made moral progress. And for the existence of vice as a fundamental fact the proof is that it is the opposite of virtue. That it, virtue, can be taught is laid down by Chrysippus in the first book of his work On the End, by Cleanthes, by Posidonius in his Protreptica, and by Hecato; that it can be taught is clear from the case of bad men becoming good.

[link to original Greek text] 92 Panaetius, however, divides virtue into two kinds, theoretical and practical; others make a threefold division of it into logical, physical, and ethical; while by the school of Posidonius four types are recognized, and more than four by Cleanthes, Chrysippus, Antipater, and their followers. Apollophanes​47 for his part counts but one, namely, practical wisdom.

Amongst the virtues some are primary, some are subordinate to these. The following are the primary: wisdom, courage, justice, temperance. Particular virtues are magnanimity, continence, endurance, presence of mind, good counsel. And wisdom they define as the knowledge of things good and evil and  p201 of what is neither good nor evil; courage​48 as knowledge of what we ought to choose, what we ought to beware of, and what is indifferent; [link to original Greek text] 93 justice . . . ; magnanimity as the knowledge or habit of mind which makes one superior to anything that happens, whether good or evil equally; continence as a disposition never overcome in that which concerns right reason, or a habit which no pleasures can get the better of; endurance as a knowledge or habit which suggests what we are to hold fast to, what not, and what is indifferent; presence of mind as a habit prompt to find out what is meet to be done at any moment; good counsel as knowledge by which we see what to do and how to do it if we would consult our own interests.

Similarly, of vices some are primary, others subordinate: e.g. folly, cowardice, injustice, profligacy are accounted primary; but incontinence, stupidity, ill‑advisedness subordinate. Further, they hold that the vices are forms of ignorance of those things whereof the corresponding virtues are the knowledge.

[link to original Greek text] 94 Good in general is that from which some advantage comes, and more particularly what is either identical with or not distinct from benefit. Whence it follows that virtue itself and whatever partakes of virtue is called good in these three senses — viz. as being (1) the source from which benefit results; or (2) that in respect of which benefit results, e.g. the virtuous act; or (3) that by the agency of which benefit results, e.g. the good man who partakes in virtue.

Another particular definition of good which they give is "the natural perfection of a rational being qua rational." To this answers virtue and, as being  p203 partakers in virtue, virtuous acts and good men; as also its supervening accessories, joy and gladness and the like. [link to original Greek text] 95 So with evils: either they are vices, folly, cowardice, injustice, and the like; or things which partake of vice, including vicious acts and wicked persons as well as their accompaniments, despair, moroseness, and the like.

Again, some goods are goods of the mind and others external, while some are neither mental nor external. The former include the virtues and virtuous acts; external goods are such as having a good country or a good friend, and the prosperity of such. Whereas to be good and happy oneself is of the class of goods neither mental nor external. [link to original Greek text] 96 Similarly of things evil some are mental evils, namely, vices and vicious actions; others are outward evils, as to have a foolish country or a foolish friend and the unhappiness of such; other evils again are neither mental nor outward, e.g. to be yourself bad and unhappy.

Again, goods are either of the nature of ends or they are the means to these ends, or they are at the same time end and means. A friend and the advantages derived from him are means to good, whereas confidence, high‑spirit, liberty, delight, gladness, freedom from pain, and every virtuous act are of the nature of ends.

[link to original Greek text] 97 The virtues (they say) are goods of the nature at once of ends and of means. On the one hand, in so far as they cause happiness they are means, and on the other hand, in so far as they make it complete, and so are themselves part of it, they are ends. Similarly of evils some are of the nature of ends and some of means, while others are at once both means and ends. Your enemy and the harm he  p205 does you are means; consternation, abasement, slavery, gloom, despair, excess of grief, and every vicious action are of the nature of ends. Vices are evils both as ends and as means, since in so far as they cause misery they are means, but in so far as they make it complete, so that they become part of it, they are ends.

[link to original Greek text] 98 Of mental goods some are habits, others are dispositions, while others again are neither the one nor the other. The virtues are dispositions, while accomplishments or avocations are matters of habit, and activities as such or exercise of faculty neither the one nor the other. And in general there are some mixed goods: e.g. to be happy in one's children or in one's old age. But knowledge is a pure good. Again, some goods are permanent like the virtues, others transitory like joy and walking-exercise.

All good (they say) is expedient, binding, profitable, useful, serviceable, beautiful, beneficial, desirable, and just or right. [link to original Greek text] 99 It is expedient, because it brings about things of such a kind that by their occurrence we are benefited. It is binding, because it causes unity where unity is needed; profitable, because it defrays what is expended on it, so that the return yields a balance of benefit on the transaction. It is useful, because it secures the use of benefit; it is serviceable, because the utility it affords is worthy of all praise. beautiful, because the good is proportionate to the use made of it; beneficial, because by its inherent nature it benefits; choiceworthy, because it is such that to choose it is reasonable. It is also just or right, inasmuch as it is in harmony with law and tends to draw men together.

 p207  [link to original Greek text] 100 The reason why they characterize the perfect good as beautiful is that it has in full all the "factors" required by nature or has perfect proportion. Of the beautiful there are (say they) four species, namely, what is just, courageous, orderly, and wise; for it is under these forms that fair deeds are accomplished. Similarly there are four species of the base or ugly, namely, what is unjust, cowardly, disorderly, and unwise. By the beautiful is meant properly and in an unique sense that good which renders it possessors praiseworthy, or briefly, good which is worthy of praise; though in another sense it signifies a good aptitude for one's proper function; while in yet another sense the beautiful is that which lends new grace to anything, as when we say of the wise man that he alone is good and beautiful.

[link to original Greek text] 101 And they say that only the morally beautiful is good. So Hecato in his treatise On Goods, book III, and Chrysippus in his work On the Morally Beautiful. They hold, that is, that virtue and whatever partakes of virtue consists in this: which is equivalent to saying that all that is good is beautiful, or that the term "good" has equal force with the term "beautiful," which comes to the same thing. "Since a thing is good, it is beautiful; now it is beautiful, therefore it is good." They hold that all goods are equal and that all good is desirable in the highest degree and admits of no lowering or hastening of intensity. Of this that are, some, they say, are good, some are evil, and some neither good nor evil (that is, morally indifferent).

[link to original Greek text] 102 Goods comprise the virtues of prudence, justice, courage, temperance, and the rest; while the opposites of these are evils, namely, folly, injustice, and  p209 the rest. Neutral (neither good nor evil, that is) are all those things which neither benefit nor harm a man: such as life, health, pleasure, beauty, strength, wealth, fair fame and noble birth, and their opposites, death, disease, pain, ugliness, weakness, poverty, ignominy, low birth, and the like. This Hecato affirms in his De fine, book VII, and also Apollodorus in his Ethics, and Chrysippus. For, say they, such things (as life, health, and pleasure) are not in themselves goods, but are morally indifferent, though falling under the species or subdivision "things preferred." [link to original Greek text] 103 For as the property of hot is to warm, not to cool, so the property of good is to benefit, not to injure; but wealth and health do no more benefit than injury, therefore neither wealth nor health is good. Further, they say that that is not good of which both good and bad use can be made; but of wealth and health both good and bad use can be made; therefore wealth and health are not goods. On the other hand, Posidonius maintains that these things too are among goods. Hecato in the ninth book of his treatise On Goods, and Chrysippus in his work On Pleasure, deny that pleasure is a good either; for some pleasures are disgraceful, and nothing disgraceful is good. [link to original Greek text] 104 To benefit is to set in motion or sustain in accordance with virtue; whereas to harm is to set in motion or sustain in accordance with vice.

The term "indifferent" has two meanings: in the first it denotes the things which do not contribute either to happiness or to misery, as wealth, fame, health, strength, and the like; for it is possible to be happy without having these, although, if they are used in a certain way, such use of them tends to  p211 happiness or misery. In quite another sense those things are said to be indifferent which are without the power of stirring inclination or aversion; e.g. the fact that the number of hairs on one's head is odd or even or whether you hold out your finger straight or bent. But it was not in this sense that the things mentioned above were termed indifferent, they being quite capable of exciting inclination or aversion. [link to original Greek text] 105 Hence of these latter some are taken by preference, others are rejected, whereas indifference in the other sense affords no ground for either choosing or avoiding.

Of things indifferent, as they express it, some are "preferred," others "rejected." Such as have value, they say, are "preferred," while such as have negative, instead of positive, value are "rejected." Value they define as, first, any contribution to harmonious living, such as attaches to every good; secondly, some faculty or use which indirectly​49 contributes to the life according to nature; which is as much as to say "any assistance brought by wealth or health towards living a natural life"; thirdly, value is the full equivalent of an appraiser, as fixed by an expert acquainted with the facts — as when it is said that wheat exchanges for so much barley with a mule thrown in.50

[link to original Greek text] 106 Thus things of the preferred class are those which have positive value, e.g. amongst mental qualities, natural ability, skill, moral improvement, and the like; among bodily qualities, life, health, strength, good condition, soundness of organs, beauty, and so forth; and in the sphere of external things, wealth,  p213 fame, noble birth, and the like. To the class of things "rejected" belong, of mental qualities, lack of ability, want of skill, and the like; among bodily qualities, death, disease, weakness, being out of condition, mutilation, ugliness, and the like; in the sphere of external things, poverty, ignominy, low birth, and so forth. But again there are things belonging to neither class; such are not preferred, neither are they rejected.

[link to original Greek text] 107 Again, of things preferred some are preferred for their own sake, some for the sake of something else, and others again both for their own sake and for the sake of something else. To the first of these classes belong natural ability, moral improvement, and the like; to the second wealth, noble birth, and the like; to the last strength, perfect faculties, soundness of bodily organs. Things are preferred for their own sake because they accord with nature; not for their own sake, but for the sake of something else, because they secure not a few utilities. And similarly with the class of things rejected under the contrary heads.

[link to original Greek text] 108 Furthermore, the term Duty is applied to that for which, when done,​51 a reasonable defence can be adduced, e.g. harmony in the tenor of life's process, which indeed pervades the growth of plants and animals. For even in plants and animals, they hold, you may discern fitness of behaviour.

Zeno was the first to use this term καθῆκον of conduct. Etymologically it is derived from κατά τινας ἥκειν, i.e. reaching as far as, being up to, or incumbent on so and so.​52 And it is an action in itself adapted  p215 to nature's arrangements. For of the acts done at the prompting of impulse some, they observe, are fit and meet, others the reverse, while there is a third class which is neither the one nor the other.

Befitting acts are all those which reason prevails with us to do; and this is the case with honouring one's parents, brothers and country, and intercourse with friends. Unbefitting, or contrary to duty, are all acts that reason deprecates, e.g. to neglect one's parents, to be indifferent to one's brothers, not to agree with friends, to disregard the interests of one's country, and so forth. [link to original Greek text] 109 Acts which fall under neither of the foregoing classes are those which reason neither urges us to do nor forbids, such as picking up a twig, holding a style or a scraper, and the like.

Again, some duties are incumbent unconditionally, others in certain circumstances. Unconditional duties are the following: to take proper care of health and one's organs of sense, and things of that sort. Duties imposed by circumstances are such as maiming oneself and sacrifice of property. And so likewise with acts which are violations of duty. Another division is into duties which are always incumbent and those which are not. To live in accordance with virtue is always a duty, whereas dialectic by question and answer or walking-exercise and the like are not at all times incumbent. The same may be said of the violations of duty. [link to original Greek text] 110 And in things intermediate also there are duties; as that boys should obey the attendants who have charge of them.

According to the Stoics there is an eight-fold  p217 division of the soul: the five senses, the faculty of speech, the intellectual faculty, which is the mind itself, and the generative faculty, being all parts of the soul. Now from falsehood there results perversion, which extends to the mind; and from this perversion arise many passions or emotions, which are causes of instability. Passion, or emotion, is defined by Zeno as an irrational and unnatural movement in the soul, or again as impulse in excess.

The main, or most universal, emotions, according to Hecato in his treatise On the Passions, book II, and Zeno in his treatise with the same title, constitute four great classes, grief, fear, desire or craving, pleasure. [link to original Greek text] 111 They hold the emotions to be judgements, as is stated by Chrysippus in his treatise On the Passions; avarice being a supposition that money is a good, while the case is similar with drunkenness and profligacy and all the other emotions.

And grief or pain they hold to be an irrational mental confusion. Its species are pity, envy, jealousy, rivalry, heaviness, annoyance, distress, anguish, distraction. Pity is grief felt at undeserved suffering; envy, grief at others' prosperity; jealousy, grief at the possession by another of that which one desires for oneself; rivalry, pain at the possession by another of what one has oneself. [link to original Greek text] 112 Heaviness or vexation is grief which weighs us down, annoyance that which coops us up and straitens us for want of room, distress a pain brought on by anxious thought that lasts and increases, anguish painful grief, distraction irrational grief, rasping and hindering us from viewing the situation as a whole.

 p219  Fear is an expectation of evil. Under fear are ranged the following emotions: terror, nervous shrinking, shame, consternation, panic, mental agony. Terror is a fear which produces fright; shame is fear of disgrace; nervous shrinking is a fear that one will have to act; consternation is fear due to a presentation of some unusual occurrence; [link to original Greek text] 113 panic is fear with pressure exerted by sound; mental agony is fear felt when some issue is still in suspense.

Desire or craving is irrational appetency, and under it are ranged the following states: want, hatred, contentiousness, anger, love, wrath, resentment. Want, then, is a craving when it is baulked and, as it were, cut off from its object, but kept at full stretch and attracted toward it in vain. Hatred is a growing and lasting desire or craving that it could go ill with somebody. Contentiousness is a craving or desire connected with partisan­ship; anger a craving or desire to punish one who is thought to have done you an undeserved injury. The passion of love is a craving from which good men are free; for it is an effort to win affection due to the visible presence of beauty. [link to original Greek text] 114 Wrath is anger which has long rankled and has become malicious, waiting for its opportunity, as is illustrated by the lines:53

Even though for the one day he swallow his anger, yet doth he still keep his displeasure thereafter in his heart, till he accomplish it.

Resentment is anger in an early stage.

Pleasure is an irrational elation at the accruing of what seems to be choiceworthy; and under it are ranged ravishment, malevolent joy, delight, transport. Ravishment is pleasure which charms the ear. Malevolent joy is pleasure at another's ills. Delight  p221 is the mind's propulsion to weakness, its name in Greek (τέρψις) being akin to τρέψις or turning. To be in transports of delight is the melting away of virtue.

[link to original Greek text] 115 And as there are said to be certain infirmities in the body, as for instance gout and arthritic disorders, so too there is in the soul love of fame, love of pleasure, and the like. By infirmity is meant disease accompanied by a weakness; and by disease is meant a fond imagining of something that seems desirable. And as in the body there are tendencies to certain maladies such as colds and diarrhoea, so it is with the soul, there are tendencies like enviousness, pitifulness, quarrelsomeness, and the like.

[link to original Greek text] 116 Also they say that there are three emotional states which are good, namely, joy, caution, and wishing. Joy, the counterpart of pleasure, is rational elation; caution, the counterpart of fear, rational avoidance; for though the wise man will never feel fear, he will yet use caution. And they make wishing the counterpart of desire (or craving), inasmuch as it is rational appetency. And accordingly, as under the primary passions are classed certain others subordinate to them, so too is it with the primary eupathies or good emotional states. Thus under wishing they bring well-wishing or benevolence, friendliness, respect, affection; under caution, reverence and modesty; under joy, delight, mirth, cheerfulness.

[link to original Greek text] 117 Now they say that the wise man is passionless, because he is not prone to fall into such infirmity. But they add that in another sense the term apathy is applied to the bad man, when, that is, it means that he is callous and relentless. Further, the wise  p223 man is said to be free from vanity; for he is indifferent to good or evil report. However, he is not alone in this, there being another who is also free from vanity, he who is ranged among the rash, and that is the bad man. Again, they tell us that all good men are austere or harsh, because they neither have dealings with pleasure themselves nor tolerate those who have. The term harsh is applied, however, to others as well, and in much the same sense as a wine is said to be harsh when it is employed medicinally and not for drinking at all.

[link to original Greek text] 118 Again, the good are genuinely in earnest and vigilant for their own improvement, using a manner of life which banishes evil out of sight and makes what good there is in things appear. At the same time they are free from pretence; for they have stripped off all pretence or "make‑up" whether in voice or in look. Free too are they from all business cares, declining to do anything which conflicts with duty. They will take wine, but not get drunk. Nay more, they will not be liable to madness either; not but what there will at times occur to the good man strange impressions due to melancholy or delirium, ideas not determined by the principle of what is choiceworthy but contrary to nature. Nor indeed will the wise man ever feel grief; seeing that grief is irrational contraction of the soul, as Apollodorus says in his Ethics.

[link to original Greek text] 119 They are also, it is declared, godlike; for they have a something divine within them; whereas the bad man is godless. And yet of this word — godless or ungodly — there are two senses, one in which it is the opposite of the term "godly," the other denoting the man who ignores the divine altogether: in this  p225 latter sense, as they note, the term does not apply to every bad man. The good, it is added, are also worshippers of God; for they have acquaintance with the rites of the gods, and piety is the knowledge of how to serve the gods. Further, they will sacrifice to the gods and they keep themselves pure; for they avoid all acts that are offences against the gods, and the gods think highly of them: for they are holy and just in what concerns the gods. The wise too are the only priests; for they have made sacrifices their study, as also the building of temples, purifications, and all the other matters appertaining to the gods.

[link to original Greek text] 120 The Stoics approve also of honouring parents and brothers in the second place next after the gods. They further maintain that parental affection for children is natural to the good, but not to the bad. It is one of their tenets that sins are all equal: so Chrysippus in the fourth book of his Ethical Questions, as well as Persaeus and Zeno. For if one truth is not more true than another, neither is one falsehood more false than another, and in the same way one deceit is not more so than another, nor sin than sin. For he who is a hundred furlongs from Canopus and he who is only one furlong away are equally not in Canopus, and so too he who commits the greater sin and he who commits the less are equally not in the path of right conduct. [link to original Greek text] 121 But Heraclides of Tarsus, who was the disciple of Antipater of Tarsus, and Athenodorus both assert that sins are not equal.

Again, the Stoics say that the wise man will take part in politics, if nothing hinders him — so, for instance, Chrysippus in the first book of his work On Various Types of Life — since thus he will restrain vice and promote virtue. Also (they maintain) he  p227 will marry, as Zeno syndicate in his Republic, and beget children. Moreover, they say that the wise man will never form mere opinions, that is to say, he will never give assent to anything that is false; that he will also play the Cynic, Cynicism being a short cut to virtue, as Apollodorus calls it in his Ethics; that he will even turn cannibal under stress of circumstances. They declare that he alone is free and bad men are slaves, freedom being power of independent action, whereas slavery is privation of the same: [link to original Greek text] 122 though indeed there is also a second form of slavery consisting in subordination, and a third which implies possession of the slave as well as his subordination; the correlative of such servitude being lordship; and this too is evil. Moreover, according to them not only are the wise free, they are also kings; kingship being irresponsible rule, which none but the wise can maintain: so Chrysippus in his treatise vindicating Zeno's use of terminology. For he holds that knowledge of good and evil is a necessary attribute of the ruler, and that no bad man is acquainted with this science. Similarly the wise and good alone are fit to be magistrates, judges, or orators, whereas among the bad there is not one so qualified. Furthermore, the wise are infallible, not being liable to error. [link to original Greek text] 123 They are also without offence; for they do no hurt to others or to themselves. At the same time they are not piti­ful and make no allowance for anyone; they never relax the penalties fixed by the laws, since indulgence and pity and even equitable consideration are marks of a weak mind, which affects kindness in place of chastising. Nor do they deem punishments too severe. Again, they say that the wise man never wonders at any of the  p229 things which appear extraordinary, such as Charon's mephitic caverns,​54 ebbings of the tide,​e hot springs or fiery eruptions. Nor yet, they go on to say, will the wise man live in solitude; for he is naturally made for society and action. He will, however, submit to training to augment his powers of bodily endurance.

[link to original Greek text] 124 And the wise man, they say, will offer prayers, and ask for good things from the gods: so Posidonius in the first book of his treatise On Duties, and Hecato in his third book On Paradoxes. Friendship, they declare, exists only between the wise and good, by reason of their likeness to one another. And by friendship they mean a common use of all that has to do with life, wherein we treat our friends as we should ourselves. They argue that a friend is worth having for his own sake and that it is a good thing to have many friends. But among the bad there is, they hold, no such thing as friendship, and thus no bad man has a friend. Another of their tenets is that the unwise are all mad, inasmuch as they are not wise but do what they do from that madness which is the equivalent of their folly.

[link to original Greek text] 125 Furthermore, the wise man does all things well, just as we say that Ismenias plays all airs on the flute well. Also everything belongs to the wise. For the law, they say, has conferred upon them a perfect right to all things. It is true that certain things are said to belong to the bad, just as what has been dishonestly acquired may be said, in one sense, to belong to the state, in another sense to those who are enjoying it.

They hold that the virtues involve one another, and that the possessor of one is the possessor of all,  p231 inasmuch as they have common principles, as Chrysippus says in the first book of his work On Virtues, Apollodorus in his Physics according to the Early School, and Hecato in the third book of his treatise On Virtues. [link to original Greek text] 126 For if a man be possessed of virtue, he is at once able to discover and to put into practice what he ought to do. Now such rules of conduct comprise rules for choosing, enduring, staying, and distributing; so that if a man does some things by intelligent choice, some things with fortitude, some things by way of just distribution, and some steadily, he is at once wise, courageous, just, and temperate. And each of the virtues has a particular subject with which it deals, as, for instance, courage is concerned with things that must be endured, practical wisdom with acts to be done, acts from which one must abstain, and those which fall under neither head. Similarly each of the other virtues is concerned with its own proper sphere. To wisdom are subordinate good counsel and understanding; to temperance, good discipline and orderliness; to justice, equality and fair-mindedness; to courage, constancy and vigour.

[link to original Greek text] 127 It is a tenet of theirs that between virtue and vice there is nothing intermediate, whereas according to the Peripatetics there is, namely, the state of moral improvement. For, say the Stoics, just a stick must be either straight or crooked, so a man must be either just or unjust. Nor again are there degrees of justice and injustice; and the same rule applies to the other virtues. Further, while Chrysippus holds that virtue can be lost, Cleanthes maintains that it cannot. According to the former it may be lost in consequence of drunkenness or melancholy;  p233 the latter takes it to be inalienable owing to the certainty of our mental apprehension. And virtue in itself they hold to be worthy of choice for its own sake. At all events we are ashamed of bad conduct as if we knew that nothing is really good but the morally beautiful. Moreover, they hold that it is in itself sufficient to ensure well-being: thus Zeno, and Chrysippus in the first book of his treatise On Virtues, and Hecato in the second book of his treatise On Goods: [link to original Greek text] 128 "For if magnanimity by itself alone can raise us far above everything, and if magnanimity is but a part of virtue, then too virtue as a whole will be sufficient in itself for well-being — despising all things that seem troublesome." Panaetius, however, and Posidonius deny that virtue is self-sufficing: on the contrary, health is necessary, and some means of living and strength.

Another tenet of theirs is the perpetual exercise of virtue, as held by Cleanthes and his followers. For virtue can never be lost, and the good man is always exercising his mind, which is perfect. Again, they say that justice, as well as law and right reason, exists by nature and not by convention: so Chrysippus in his work On the Morally Beautiful. [link to original Greek text] 129 Neither do they think that the divergence of opinion between philosophers is any reason for abandoning the study of philosophy, since at that rate we should have to give up life altogether: so Posidonius in his Exhortations. Chrysippus allows that the ordinary Greek education is serviceable.

It is their doctrine that there can be no question of right as between man and the lower animals, because of their unlikeness. Thus Chrysippus in the first book of his treatise On Justice, and Posidonius  p235 in the first book of his De officio. Further, they say that the wise man will feel affection for the youths who by their countenance show a natural endowment for virtue. So Zeno in his Republic, Chrysippus in book I of his work On Modes of Life, and Apollodorus in his Ethics.

[link to original Greek text] 130 Their definition of love is an effort toward friendliness due to visible beauty appearing, its sole end being friendship, not bodily enjoyment. At all events, they allege that Thrasonides, although he had his mistress in his power, abstained from her because she hated him. By which it is shown, they think, that love depends upon regard, as Chrysippus says in his treatise Of Love, and is not sent by the gods. And beauty they describe as the bloom or flower of virtue.

Of the three kinds of life, the contemplative, the practical, and the rational, they declare that we ought to choose the last, for that a rational being is expressly produced by nature for contemplation and for action. They tell us that the wise man will for reasonable cause make his own exit from life, on his country's behalf or for the sake of his friends, or if he suffer intolerable pain, mutilation, or incurable disease.

[link to original Greek text] 131 It is also their doctrine that amongst the wise there should be a community of wives with free choice of partners, as Zeno says in his Republic and Chrysippus in his treatise On Government [and not only they, but also Diogenes the Cynic and Plato].​55 Under such circumstances we shall feel paternal affection for all the children alike, and there will be an end of the jealousies arising from adultery. The best form of government they hold to be a mixture  p237 of democracy, kingship, and aristocracy (or the rule of the best).

Such, then, are the statements they make in their ethical doctrines, with much more besides, together with their proper proofs: let this, however, suffice for a statement of them in a summary and elementary form.

[link to original Greek text] 132 Their physical doctrine they divide into sections (1) about bodies; (2) about principles; (3) about elements; (4) about the gods; (5) about bounding surfaces and space whether filled or empty. This is a division into species; but the generic division is into three parts, dealing with (i) the universe; (ii) the elements; (iii) the subject of causation.

The part dealing with the universe admits, they say, of division into two: for with one aspect of it the mathematicians also are concerned, in so far as they treat questions relating to the fixed stars and the planets, e.g. whether the sun is or is not just so large as it appears to be, and the same about the moon, the question of their revolutions, and other inquiries of the same sort. [link to original Greek text] 133 But there is another aspect or field of cosmological​56 inquiry, which belongs to the physicists alone; this includes such questions as what the substance of the universe is, whether the sun and the stars are made up of form and matter, whether the world has had a beginning in time or not, whether it is animate or inanimate, whether it is destructible or indestructible, whether it is governed by providence, and all the rest. The part concerned with causation, again, is itself subdivided into two. And in one of its aspects medical inquiries have a share in it, in so far as it involves investigation of the ruling principle of the soul and the phenomena of  p239 soul, seeds, and the like. Whereas the other part is claimed by the mathematicians also, e.g. how vision is to be explained, what causes the image on the mirror, what is the origin of clouds, thunder, rainbows, halos, comets, and the like.

[link to original Greek text] 134 They hold that there are two principles in the universe, the active principle and the passive. The passive principle, then, is a substance without quality, i.e. matter, whereas the active is the reason inherent in this substance, that is God. For he is everlasting and is the artificer of each several thing throughout the whole extent of matter. This doctrine is laid down by Zeno of Citium in his treatise On Existence, Cleanthes in his work On Atoms, Chrysippus in the first book of his Physics towards the end, Archedemus in his treatise On Elements, and Posidonius in the second book of his Physical Exposition. There is a difference, according to them, between principles and elements; the former being without generation or destruction, whereas the elements are destroyed when all things are resolved into fire. Moreover, the principles are incorporeal and destitute of form, while the elements have been endowed with form.

[link to original Greek text] 135 Body is defined by Apollodorus in his Physics as that which is extended in three dimensions, length, breadth, and depth. This is also called solid body. But surface is the extremity of a solid body, or that which has length and breadth only without depth. That surface exists not only in our thought but also in reality is maintained by Posidonius in the third book of his Celestial Phenomena. A line is the extremity of a surface or length without breadth, or that which has length alone. A point is the extremity of a line, the small possible mark or dot.

 p241  God is one and the same with Reason, Fate, and Zeus; he is also called by many other names. [link to original Greek text] 136 In the beginning he was by himself; he transformed the whole of substance through air into water, and just as in animal generation the seed has a moist vehicle, so in cosmic moisture God, who is the seminal reason of the universe, remains behind in the moisture as such an agent, adapting matter to himself with a view to the next stage of creation. Thereupon he created first of all the four elements, fire, water, air, earth. They are discussed by Zeno in his treatise On the Whole, by Chrysippus in the first book of his Physics, and by Archedemus in a work On Elements. An element is defined as that from which particular things come to be at their birth and into which they are finally resolved. [link to original Greek text] 137 The four elements together constitute unqualified substance or matter. Fire is the hot element, water the moist, air the cold, earth the dry. Not but what the quality of dryness is also found in the air.​57 Fire has the uppermost place; it is also called aether, and in it sphere of the fixed stars is first created; then comes the sphere of the planets, next to that the air, then the water, and lowest of all the earth, which is at the centre of all things.

The term universe or cosmos is used by them in three senses: (1) of God himself, the individual being whose quality is derived from the whole of substance; he is indestructible and ingenerable, being the artificer of this orderly arrangement, who at stated periods of time absorbs into himself the whole of substance and again creates it from himself. [link to original Greek text] 138 (2) Again, they give the name of cosmos to the orderly  p243 arrangement of the heavenly bodies in itself as such; and (3) in the third place to that whole of which these two are parts. Again, the cosmos is defined as the individual being qualifying the whole of substance, or, in the words of Posidonius in his elementary treatise on Celestial Phenomena, a system made up of heaven and earth and the natures in them, or, again, as a system constituted by gods and men and all things created for their sake. By heaven is meant the extreme circumference or ring in which the deity has his seat.

The world,​58 in their view, is ordered by reason and providence: so says Chrysippus in the fifth book of his treatise On Providence and Posidonius in his work On the Gods, book III — inasmuch as reason pervades every part of it, just as does the soul in us. Only there is a difference of degree; in some parts there is more of it, in others less. [link to original Greek text] 139 For through some parts it passes as a "hold" or containing force, as is the case with our bones and sinews; while through others it passes as intelligence, as in the ruling part of the soul. Thus, then, the whole world is a living being, endowed with soul and reason, and having aether for its ruling principle: so says Antipater of Tyre in the eighth book of his treatise On the Cosmos. Chrysippus in the first book of his work On Providence and Posidonius in his book On the Gods say that the heaven, but Cleanthes that the sun, is the ruling power of the world. Chrysippus, however, in the course of the same work gives a somewhat different account, namely, that it is the purer part of the aether; the same which they declare to be pre‑eminently God and always to have, as it were in sensible fashion, pervaded all that is in the air, all  p245 animals and plants, and also the earth itself, as a principle of cohesion.

[link to original Greek text] 140 The world, they say, is one and finite, having a spherical shape, such a shape being most suitable for motion, as Posidonius says in the fifth book of his Physical Discourse and the disciples of Antipater in their works on the Cosmos. Outside of the world is diffused the infinite void, which is incorporeal. By incorporeal is meant that which, though capable of being occupied by body, is not so occupied. The world has no empty space within it, but forms one united whole. This is a necessary result of the sympathy and tension which binds together things in heaven and earth. Chrysippus discusses the void in his work On Void and in the first book of his Physical Sciences; so too Apollophanes in his Physics, Apollodorus, and Posidonius in his Physical Discourse, book II. But these, it is added [i.e. sympathy and tension], are likewise bodies.59

[link to original Greek text] 141 Time too is incorporeal, being the measure of the world's motion. And time past and time future are infinite, but time present is finite. They hold that the world must come to an end, inasmuch as it had a beginning, on the analogy of those things which understood by the senses. And that of which the parts are perishable is perishable as a whole. Now the parts of the world are perishable, seeing that they are transformed one into the other. Therefore the world itself is doomed to perish. Moreover, anything is destructible if it admits of deterioration; therefore the world is so, for it is first evaporated and again dissolved into water.

 p247  [link to original Greek text] 142 The world, they hold, comes into being when its substance has first been converted from fire through air into moisture and then the coarser part of the moisture has condensed as earth, while that whose particles are fine has been turned into air, and this process of rarefaction goes on increasing till it generates fire. Thereupon out of these elements animals and plants and all other natural kinds are formed by their mixture. The generation and the dynasty of the world are discussed by Zeno in his treatise On the Whole, by Chrysippus in the first book of his Physics, by Posidonius in the first book of his work On the Cosmos, by Cleanthes, and by Antipater in his tenth book On the Cosmos. Panaetius, however, maintained that the world is indestructible.

The doctrine that the world is a living being, rational, animate and intelligent, is laid down by Chrysippus in the first book of his treatise On Providence, by Apollodorus in his Physics, and by Posidonius. [link to original Greek text] 143 It is a living thing in the sense of an animate substance endowed with sensation; for animal is better than non‑animal, and nothing is better than the world, ergo the world is a living being. And it is endowed with soul, as is clear from our several souls being each a fragment of it. Boëthus, however, denies that the world is a living thing. The unity of the world is maintained by Zeno in his treatise On the Whole, by Chrysippus, by Apollodorus in his Physics, and by Posidonius in the first book of his Physical Discourse. By the totality of things, the All, is meant, according to Apollodorus, (1) the world, and in another sense (2) the system composed of the world and the void outside it. The world then is finite, the void infinite.

 p249  [link to original Greek text] 144 Of the stars some are fixed, and are carried round with the whole heaven; others, the wandering stars or planets, have their special motions. The sun travels in an oblique path through the zodiac. Similarly the moon travels in a spiral path. The sun is pure fire: so Posidonius in the seventh book of his Celestial Phenomena. And it is larger than the earth, as the same author says in the sixth book of his Physical Discourse. Moreover it is spherical in shape like the world itself according to this same author and his school. That it is fire is proved by its producing all the effects of fire; that it is larger than the earth by the fact that all the earth is illuminated by it; nay more, the heaven besides. The fact too that the earth casts a conical shadow proves that the sun is greater than it. And it is because of its great size that it is seen from every part of the earth.

[link to original Greek text] 145 The moon, however, is of a more earthy composition, since it is nearer to the earth. These fiery bodies and the stars generally derive their nutriment, the sun from the wide ocean, being a fiery kindling, though intelligent; the moon from fresh waters, with an admixture of air, close to the earth as it is: thus Posidonius in the sixth book of his Physics; the other heavenly bodies being nourished from the earth. They hold that the stars are spherical in shape and that the earth too is so and is at rest; and that the moon does not shine by her own light, but by the borrowed light of the sun when he shines upon her.

An eclipse of the sun takes place when the moon passes in front of it on the side towards us, as shown by Zeno with a diagram in his treatise On the Whole. [link to original Greek text] 146 For the moon is seen approaching at conjunctions and  p251 occulting it and then again receding from it. This can best be observed when they are mirrored in a basin of water. The moon is eclipsed when she falls into the earth's shadow: for which reason it is only at the full moon that an eclipse happens [and not always then],​f although she is in opposition to the sun every month; because the moon moves in an oblique orbit, diverging in latitude relatively to the orbit of the sun, and she accordingly goes farther to the north or to the south. When, however, the moon's motion in latitude has brought her into the sun's path through the zodiac, and she thus comes diametrically opposite to the sun, there is an eclipse. Now the moon is in latitude right on the zodiac,​60 when she is in the constellations of Cancer [Libra], Scorpio, Aries and Taurus: so Posidonius and his followers tell us.​g

[link to original Greek text] 147 The deity, say they, is a living being, immortal, rational, perfect or intelligent in happiness, admitting nothing evil [into him], taking providential care of the world and all that therein is, but he is not of human shape. He is, however, the artificer of the universe and, as it were, the father of all, both in general and in that particular part of him which is all‑pervading, and which is called many names according to its various powers. They give the name Dia (Δία) because all things are due to (διά) him; Zeus (Ζῆνα) in so far as he is the cause of life (ζῆν) or pervades all life; the name Athena is given, because the ruling part of the divinity extends to the aether; the name Hera marks its extension to the air; he is called Hephaestus since it spreads to the creative fire; Poseidon, since it stretches to the sea; Demeter, since it reaches to the earth. Similarly men have  p253 given the deity his other titles, fastening, as best they can, on some one or other of his peculiar attributes.

[link to original Greek text] 148  The substance of God is declared by Zeno to be the whole world and the heaven, as well as by Chrysippus in his first book Of the Gods, and by Posidonius in his first book with the same title. Again, Antipater in the seventh book of his work On the Cosmos says that the substance of God is akin to air, while Boëthus in his work On Nature speaks of the sphere of the fixed stars as the substance of God. Now the term Nature is used by them to mean sometimes that which holds the world together, sometimes that which causes terrestrial things to spring up. Nature is defined as a force moving of itself, producing and preserving in being its offspring in accordance with seminal principles​61 within definite periods, and effecting results homogeneous with their sources. [link to original Greek text] 149 Nature, they hold, aims both at utility and at pleasure, as is clear from the analogy of human craftsman­ship. That all things happen by fate or destiny is maintained by Chrysippus in his treatise De fato, by Posidonius in his De fato, book II, by Zeno and by Boëthus in his De fato, book I. Fate is defined as an endless chain of causation, whereby things are, or as the reason or formula by which the world goes on. What is more, they say that divination in all its forms is a real and substantial fact, if there is really Providence. And they prove it to be actually a science on the evidence of certain results: so Zeno, Chrysippus in the second book of his De divinatione, Athenodorus, and Posidonius in the second book of his Physical Discourse and the fifth book of his De divinatione. But Panaetius denies that divination has any real existence.

 p255  [link to original Greek text] 150  The primary matter they make the substratum of all things: so Chrysippus in the first book of his Physics, and Zeno. By matter is meant that out of which anything whatsoever is produced. Both substance and matter are terms used in a twofold sense according as they signify (1) universal or (2) particular substance or matter. The former neither increases nor diminishes, while the matter of particular things both increases and diminishes. Body according to them is substance which is finite: so Antipater in his second book On Substance, and Apollodorus in his Physics. Matter can also be acted upon, as the same author says, for if it were immutable, the things which are produced would never have been produced out of it. Hence the further doctrine that matter is divisible ad infinitum. Chrysippus says that the division is not ad infinitum, but itself infinite; for there is nothing infinitely small to which the division can extend. But nevertheless the division goes on without ceasing.

[link to original Greek text] 151  Hence, again, their explanation of the mixture of two substances is, according to Chrysippus in the third book of his Physics, that they permeate each other through and through, and that the particles of the one do not merely surround those of the other or lie beside them. Thus, if a little drop of wine be thrown into the sea, it will be equally diffused over the whole sea for a while and then will be blended​62 with it.

Also they hold that there are daemons (δαίμονες) who are in sympathy with mankind and watch over human affairs. They believe too in heroes, that is, the souls of the righteous that have survived their bodies.

 p257  Of the changes which go on in the air, they describe winter as the cooling of the air above the earth due to the sun's departure to a distance from the earth; spring as the right temperature of the air consequent upon his approach to us; [link to original Greek text] 152 summer as the heating of the air above the earth when he travels to the north; while autumn they attribute to the receding of the sun from us. As for the winds, they are streams of air, differently named​63 according to the localities for which they blow. And the cause of their production is the sun through the evaporation of the clouds. The rainbow is explained as the reflection of the sun's rays from watery clouds or, as Posidonius says in his Meteorology, an image of a segment of the sun or moon in a cloud suffused with dew, which is hollow and visible without intermission, the image showing itself as if in a mirror in the form of a circular arch. Comets, bearded stars, and meteors are fires which arise when dense air is carried up to the region of aether. [link to original Greek text] 153  A shooting star is the sudden kindling of a mass of fire in rapid motion through the air, which leaves a trail behind it presenting an appearance of length. Rain is the transformation of cloud into water, when moisture drawn up by the sun from land or sea has been only partially evaporated. If this is cooled down, it is called hoar-frost. Hail is frozen cloud, crumbled by a wind; while snow is moist matter from a cloud which has congealed: so Posidonius in the eighth book of his Physical Discourse. Lightning is a kindling of clouds from being rubbed together or being rent by wind, as Zeno says in his treatise On the Whole; thunder the noise these clouds make when they rub against each other or burst. [link to original Greek text] 154  Thunderbolt is the term used when the fire is  p259 violently kindled and hurled to the ground with great force as the clouds grind against each other or are torn by the wind. Others say that it is a compression of fiery air descending with great force. A typhoon is a great and violent thunderstorm whirlwind-like, or a whirlwind of smoke from a cloud that has burst. A "prester" is a cloud rent all round by the force of fire and wind. Earthquakes, say they, happen when the wind finds its way into, or is imprisoned in, the hollow parts of the earth: so Posidonius in his eighth book; and some of them are tremblings, others openings of the earth, others again lateral displacements,​64 and yet others vertical displacements.

[link to original Greek text] 155  They maintain that the parts of the world are arranged thus. The earth is in the middle answering to a centre; next comes the water, which is shaped like a sphere all round it, concentric with the earth, so that the earth is in water. After the water comes a spherical layer of air. There are five celestial circles: first, the arctic circle, which is always visible; second, the summer tropic; third, the circle of the equinox; fourth, the winter tropic; and fifth, the antarctic, which is invisible to us. They are called parallel, because they do not incline towards one another; yet they are described round the same centre.​65 The zodiac is an oblique circle, as it crosses the parallel circles. [link to original Greek text] 156  And there are five terrestrial zones: first, the northern zone which is beyond the arctic circle, uninhabitable because of the cold; second, a temperate zone; a third, uninhabitable because of great heats, called the torrid zone; fourth, a counter-temperate zone; fifth, the southern zone, uninhabitable because of its cold.

 p261  Nature in their view is an artistically working fire, going on its way to create; which is equivalent to a fiery, creative, or fashioning breath. And the soul is a nature capable of perception. And they regard it as the breath of life, congenital with us; from which they infer first that it is a body and secondly that it survives death. Yet it is perishable, though the soul of the universe, of which the individual souls of animals are parts, is indestructible. [link to original Greek text] 157  Zeno of Citium and Antipater, in their treatises De anima, and Posidonius define the soul as a warm breath; for by this we become animate and this enables us to move. Cleanthes indeed holds that all souls continue to exist until the general conflagration; but Chrysippus says that only the souls of the wise do so.66

They count eight parts of the soul: the five senses, the generative power in us, our power of speech, and that of reasoning. They hold that we see when the light between the visual organ and the object stretches in the form of a cone: so Chrysippus in the second book of his Physics and Apollodorus. The apex of the cone in the air is at the eye, the base at the object seen. Thus the thing seen is reported to us by the medium of the air stretching out towards it, as if by a stick.

[link to original Greek text] 158  We hear when the air between the sonant body and the organ of hearing suffers concussion, a vibration which spreads spherically and then forms waves and strikes upon the ears, just as the water in a reservoir forms wavy circles when a stone is thrown into it. Sleep is caused, they say, by the slackening of the tension in our senses, which affects the ruling part of  p263 the soul. They consider that the passions are caused by the variations of the vital breath.

Semen is by them defined as that which is capable of generating offspring like the parent. And the human semen which is emitted by a human parent in a moist vehicle is mingled with parts of the soul, blended in the same ratio in which they are present in the parent. [link to original Greek text] 159 Chrysippus in the second book of his Physics declares it to be in substance identical with vital breath or spirit. This, he thinks, can be seen from the seeds cast into the earth, which, if kept till they are old, do not germinate, plainly because their fertility has evaporated. Sphaerus and his followers also maintain that semen derives its origin from the whole of the body; at all events every part of the body can be reproduced from it. That of the female is according to them sterile, being, as Sphaerus says, without tension, scanty, and watery. By ruling part of the soul is meant that which is most truly soul proper, in which arise presentations and impulses and from which issues rational speech. And it has its seat in the heart.

[link to original Greek text] 160 Such is the summary of their Physics which I have deemed adequate, my aim being to preserve a due proportion in my work. But the points on which certain of the Stoics differed from the rest are the following.

The Loeb Editor's Notes:

1 Cynosura, Dog's Tail, like Dog's Head, Cynoscephalus, was the name of several promontories, notably one in Athens and one in Salamis. Relatively to Cynicism, "holding on by the dog's tail" would seem a more appropriate interpretation.

2 Our word "colonnade" better describes a roofed building, supported at least on one side by pillars and thus affording a public thoroughfare like an arcade or cloister, but open to the sun and air. Owing, however, to the Latin "porticus" Zeno's school has received in English literature the appellation of "the Porch." The frescoes or pictures, with which the Stoa was adorned, made it in some sense the National Gallery of Athens. For further information see by almost means Frazer's note on Pausanias I.15 (vol. II pp132‑137).

3 Probably the Thirty met in the Stoa and passed sentence of death there. It is not likely that this was the place of execution.

4 Pliny, N. H. XXXIV.92.

5 Cf.  Tarn, Antig. Gon. p309, especially note 106; he considers the decree, as we have it, a fusion of two genuine decrees, (1) voting a crown to Zeno in his life-time, (2) decreeing a public funeral after his death.

6 The security for the loan was either the cargo shipped or the vessel itself. As the risk was great, the interest was proportionately high. Demosth. Or. XXXIV.23, L.17, LVI.17.

7 Zeno must have foreseen that this compliment would be followed by a request to use his undoubted influence with the king on behalf of Demochares, who, as an Athenian patriot and the nephew of Demosthenes, was out of favour at the Macedonian court. Indeed the fact of his making such advances at all is so strange that Ferguson (p172) and Tarn (p94, note 11) feel constrained to offer hypothetical explanations.

8 Tarn, Antig. Gon. p310, well compares Plato, Politicus 260C, and Epicurus (ap. Senec. Ep. 7.11), "satis enim magnum alter alteri theatrum sumus."

9 Frag. 38 D.

10 Cf. Od. XI.281, 271.

11 Frag. 39 D.

12 Cf. Il. II.831, XXIII.133.

13 Cf. Athen. XIV p629B.

14 Supplices, 861‑863.

15 The change of φωνῆς . . . φωνήν to σωφροσύνης . . . σωφροσύνην is due to Cobet. Cf. § 130 ὥρα ἄνθος ἀρετῆς, and § 173. For virtue in general Cobet's change here substitutes the particular virtue required. Von Arnim, adhering more closely to the MSS., would replace φωνῆς by ῥώμης and retain φωνήν, which would give the meaning, "Beauty he called the flower of strength, while according to others it was the voice which he called the flower of beauty."

16 Hesiod's lines as they stand (Works and Days, 293 f.) run thus:

"He is best of all, who finds out everything for himself; that man too is good who follows good advice."

17 Cf. II.32.

18 Of Timotheus. See Nauck, T. G. F. p51.

19 Anth. Plan. III.104.

20 Anth. Pal. VII.117.

21 Anth. Pal. IX.496.

22 Anth. Pal. VII.118.

23 Perhaps an error for Zeno of Tarsus.

24 Laertius adheres to his plan of arranging doctrine under two heads: (1) a general or summary, (2) a particular, treatment: cf. inf. VII.48 κεφαλαιωδῶς . . . κατὰ μέρος. Here follows a valuable and full doxography, extending to § 160, collected from various sources; §§ 49‑83 come from Diocles. The classification is roughly as follows: divisions of Philosophy, §§ 39‑41; Logic, §§ 42‑83; Ethics, §§ 84‑131; Physics, §§ 132‑160.

25 The word φαντασία (= appearance or appearing) is a technical term in Stoic logic for which no one English equivalent is as yet unanimously adopted. It denotes the immediate datum of consciousness or experience, whether presented to sense or in certain cases to the mind. Hence "presentation" is nearer than "perception" or "impression." It might be thought to correspond to Locke's "simple ideas," for which Hume substituted "impressions and ideas"; but this is hardly so; for φαντασίαι are "given" as it were from without, and then with them as materials the mind itself constructs general notions and concepts.

26 Cf. Plut. Mor. 874E and inf. §§ 6283.

27 Cf. supra, § 38 note. This distinction between the general and particular treatment is also frequent in Sextus Empiricus: e.g. Pyrrh. Hyp. I.5 ὁ καθόλου λόγος as opposed to ὁ εἰδικὸς λόγος.

28 i.e. the Babylonian.

29 Probably "adverb."

30 Sc. Apollodorus and his school: cf. inf. § 64.

31 = "the," masc., fem. and neut., singular and plural.

32 Nauck, T. G. F.2, Eur. 839.

33 The author seems to have confused "term," which Antipater defines, with "definition," which, as Chrysippus says, is simply "giving back" the meaning in other words. Zeller's correction ἰδίου ἀπόδοσις for καὶ ἡ ἀπόδοσις comes from a scholion of Dionysius Thrax.

34 Cf. Stob. Ecl. I.136.21 W.

35 "Direct Predicate" answers to our Active Verb, "Predicate reversed" to our Passive; cf. supra43.

36 We should expect τὰ δὲ παρασυμβάματα to follow (cf.  Luc. Vit. Auct. 21). By παρασύμβαμα is meant an impersonal verb with subject in oblique case, as μέλει μοι. For other conjectures see Zeller, Phil. der Gr. III.13.89 note 2, 90.

37 Obviously an attempt to distinguish what we call the Middle Voice from the Passive — as e.g. συνέθεντο, "they made compacts with each other," is more active (ὀρθά) than passive (ὕπτια).

38 Nauck, T. G. F.2, Adesp. 177; cf. Galen, XIII p363 K.

39 Iliad IX.96.

40 Nauck, T. G. F.2, Adesp. 286.

41 Cf. Sext. Emp. Adv. math. VIII.429.

42 The example is badly chosen, confusing contrary with contradictory.

43 Cf. Sext. Emp. Pyrrh. Hyp. II.157 sq.

44 Cf. supra§ 44.

45 Here Laertius, as the text stands, gives examples of the Sorites and the Nobody, but none of the other three fallacies, the Veiled, Concealed, Horned.

46 The vulgate, in which I have made no change, has been regarded with suspicion. Von Arnim conjectures:

"For if the logician ought to have something to say about the correct use of terms, how could he fail to lay down the proper names for actions?"

47 One of the older Stoics; cf.  Frag. Vet. Stoic. I.90.

48 It is obviously not courage which is here defined, but apparently wisdom over again. Hence I have marked a lacuna.

Thayer's Note: See, however, the Epicurean view in  X.120.

49 "Indirectly": more literally "contributing, as intermediate (μέσην), to."

50 With Arnim's correction, wheat would exchange for 1½ times the quantity of barley. The three meanings of ἀξία are also given, but in a different order, by Stobaeus, Ecl. II.83.10, who explains this as ἀμοιβὴν τοῦ δοκιμαστοῦ.

51 The reading πραχθέν is now accepted in place of προαχθέν. "Duty," it should be noted, is a very inadequate rendering of καθῆκον, which in the present passage applies to the proper behaviour of plants and animals no less than to that of human beings. Cf. Stob. Ecl. II.85.13 ὃ πραχθὲν εὔλογον ἀπολογίαν ἔχει; Sext. Emp. VII.158.

52 The ordinary meaning of the verb καθήκειν is well seen in Hdt. VII.22 ὁ γὰρ Ἄθως ἐστὶ ὄρος μέγα τε καὶ ὀνόμαστον ἐς θάλασσαν κατῆκον ("for Athos is a great and famous mountain, reaching down to the sea"). The term seems to have passed from this meaning to signify figuratively that which extends to, or affects, or is incumbent on us: as near an approach, perhaps, to the idea of duty as can be expected in any ancient system of Ethics, which regards human conduct not as obedience to law, but as determination and pursuit of good.

53 Il. I.81, 82.

54 Regarded as passages down to the underworld; cf. Virg. Aen. VI.240 seq., 299.

55 The words in brackets read like a marginal note, afterwards inserted in the text.

56 αὐτοῦτοῦ κόσμου.

57 "The same part" (τὸ αὐτὸ μέρος) may refer to the quality of dryness last mentioned.

58 "World" is normally the best rendering of κόσμος. "Universe," which some prefer, better suits τὸ ὅλον.

59 The reading ἀσώματα can be retained if we alter ταῦτα to λεκτά, the sense thus being "the meanings of spoken words are also incorporeal." Yet a parallel change is required in § 134. Professor Pearson suggests εἶναι δὲ καὶ τὰ ἀσώματα ὁμοίως, introducing §141.

60 i.e. the moon's latitude relatively to the zodiac is nil.

61 Or perhaps "seminal proportions." This obscure expression would seem intended to assimilate all development and evolution to the growth, whether of plants or animals, from seed.

62 For the meaning of this verb (συμφθείρεσθαι) see Wilamowitz on Eur. H. F. 932, and Plut. Mor. 436B.

63 The lacuna of the MSS. can be filled from the parallel passage of Aetius, Diels, Doxographi Graeci, p374 a 23.

64 For καυματίας of MSS. Cobet reads κλιματίας.

65 The κέντρον is rather an axis (namely, a diameter of the celestial sphere) than a point.

66 Cf. Aet. Plac. IV.19.4 (Arnim, II p140).

Thayer's Notes:

a The argument is given in the translators' note to Plutarch, de Fato, 574E.

b Not in the text as we have it (or as it is organized) today: Sphaerus is not mentioned under Cleanthes, but gets a chapter of his own.

c In today's terminology, these are the plosives: all of them. The Greek word, ἄφωνα — literally and etymologically "voiceless, silent" — is often used by Greek authors to mean consonants in general; here, however, many consonants have been omitted.

d A nonsense "word".

e ἀμπώτιδας. Presumably not the normal ebb of the tide, which in the Mediterranean is weak, but the sudden withdrawal of the sea from the shore caused by a tsunami: a striking description of one of these terrifying events, usually due to an earthquake, is given by Ammian (XXVI.10.15‑19).

f The Loeb edition brackets these words, which I found confusing. There is no corresponding phrase in the facing Greek text; not an emendation but an explanation seems to be meant.

g The translation of χηλαῖς is in error. Not Cancer — in Greek, Καρκίνος — but Libra. Χηλαί are the Claws of the Scorpion, which was the name for a long time given to Libra: see my note to Rutilius Namatianus I.184 and the further links there.

These four signs form two diametrally opposed blocks of two contiguous signs, but the whole business is moot: the Moon can cross the ecliptic at any point, and the statement that she only crosses it in certain signs is not true.

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