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Cicero's Tusculan Disputations Also, Treatises On The...

WHETHER VIRTUE ALONE BE SUFFICIENT FOR A HAPPY LIFE.

Project Gutenberg EPUB3 edition Cicero, Marcus Tullius and Yonge, Charles Duke
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I therefore do not easily agree with my friend Brutus, nor with our common masters, nor those ancient ones, Aristotle, Speusippus, Xenocrates, Polemon, who reckon all that I have mentioned above as evils, and yet they say that a wise man is always happy; nor can I allow them, because they are charmed with this beautiful and illustrious title, which would very well become Pythagoras, Socrates, and Plato, to persuade my mind that strength, health, beauty, riches, honors, power, with the beauty of which they are ravished, are contemptible, and that all those things which are the opposites of these are not to be regarded. Then might they declare openly, with a loud voice, that neither the attacks of fortune, nor the opinion of the multitude, nor pain, nor poverty, occasions them any apprehensions; and that they have everything within themselves, and that there is nothing whatever which they consider as good but what is within their own power. Nor can I by any means allow the same person who falls into the vulgar opinion of good and evil to make use of these expressions, which can only become 175a great and exalted man. Struck with which glory, up starts Epicurus, who, with submission to the Gods, thinks a wise man always happy. He is much charmed with the dignity of this opinion, but he never would have owned that, had he attended to himself; for what is there more inconsistent than for one who could say that pain was the greatest or the only evil to think also that a wise man can possibly say in the midst of his torture, How sweet is this!
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We are not, therefore, to form our judgment of philosophers from detached sentences, but from their consistency with themselves, and their ordinary manner of talking.
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XI. A. You compel me to be of your opinion; but have a care that you are not inconsistent yourself.
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A. Because I have lately read your fourth book on Good and Evil: and in that you appeared to me, while disputing against Cato, to be endeavoring to show, which in my opinion means to prove, that Zeno and the Peripatetics differ only about some new words; but if we allow that, what reason can there be, if it follows from the arguments of Zeno that virtue contains all that is necessary to a happy life, that the Peripatetics should not be at liberty to say the same? For, in my opinion, regard should be had to the thing, not to words.
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M. What! you would convict me from my own words, and bring against me what I had said or written elsewhere. You may act in that manner with those who dispute by established rules. We live from hand to mouth, and say anything that strikes our mind with probability, so that we are the only people who are really at liberty. But, since I just now spoke of consistency, I do not think the inquiry in this place is, if the opinion of Zeno and his pupil Aristo be true that nothing is good but what is honorable; but, admitting that, then, whether the whole of a happy life can be rested on virtue alone. Wherefore, if we certainly grant Brutus this, that a wise man is always happy, how consistent he is, is his own business; for who, indeed, is more worthy than himself of the glory of that opinion? Still, we may maintain that such a man is more happy than any one else.
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176XII. Though Zeno the Cittiæan, a stranger and an inconsiderable coiner of words, appears to have insinuated himself into the old philosophy; still, the prevalence of this opinion is due to the authority of Plato, who often makes use of this expression, “That nothing but virtue can be entitled to the name of good,” agreeably to what Socrates says in Plato’s Gorgias; for it is there related that when some one asked him if he did not think Archelaus the son of Perdiccas, who was then looked upon as a most fortunate person, a very happy man, “I do not know,” replied he, “for I never conversed with him.” “What! is there no other way you can know it by?” “None at all.” “You cannot, then, pronounce of the great king of the Persians whether he is happy or not?” “How can I, when I do not know how learned or how good a man he is?” “What! do you imagine that a happy life depends on that?” “My opinion entirely is, that good men are happy, and the wicked miserable.” “Is Archelaus, then, miserable?” “Certainly, if unjust.” Now, does it not appear to you that he is here placing the whole of a happy life in virtue alone?
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But what does the same man say in his funeral oration? “For,” saith he, “whoever has everything that relates to a happy life so entirely dependent on himself as not to be connected with the good or bad fortune of another, and not to be affected by, or made in any degree uncertain by, what befalls another; and whoever is such a one has acquired the best rule of living; he is that moderate, that brave, that wise man, who submits to the gain and loss of everything, and especially of his children, and obeys that old precept; for he will never be too joyful or too sad, because he depends entirely upon himself.”
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XIII. From Plato, therefore, all my discourse shall be deduced, as if from some sacred and hallowed fountain. Whence can I, then, more properly begin than from Nature, the parent of all? For whatsoever she produces (I am not speaking only of animals, but even of those things which have sprung from the earth in such a manner as to rest on their own roots) she designed it to be perfect in its respective kind. So that among trees and vines, and those lower plants and trees which cannot advance themselves 177high above the earth, some are evergreen, others are stripped of their leaves in winter, and, warmed by the spring season, put them out afresh, and there are none of them but what are so quickened by a certain interior motion, and their own seeds enclosed in every one, so as to yield flowers, fruit, or berries, that all may have every perfection that belongs to it; provided no violence prevents it. But the force of Nature itself may be more easily discovered in animals, as she has bestowed sense on them. For some animals she has taught to swim, and designed to be inhabitants of the water; others she has enabled to fly, and has willed that they should enjoy the boundless air; some others she has made to creep, others to walk. Again, of these very animals, some are solitary, some gregarious, some wild, others tame, some hidden and buried beneath the earth, and every one of these maintains the law of nature, confining itself to what was bestowed on it, and unable to change its manner of life.
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And as every animal has from nature something that distinguishes it, which every one maintains and never quits; so man has something far more excellent, though everything is said to be excellent by comparison. But the human mind, being derived from the divine reason, can be compared with nothing but with the Deity itself, if I may be allowed the expression. This, then, if it is improved, and when its perception is so preserved as not to be blinded by errors, becomes a perfect understanding, that is to say, absolute reason, which is the very same as virtue. And if everything is happy which wants nothing, and is complete and perfect in its kind, and that is the peculiar lot of virtue, certainly all who are possessed of virtue are happy. And in this I agree with Brutus, and also with Aristotle, Xenocrates, Speusippus, Polemon.
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XIV. To me such are the only men who appear completely happy; for what can he want to a complete happy life who relies on his own good qualities, or how can he be happy who does not rely on them? But he who makes a threefold division of goods must necessarily be diffident, for how can he depend on having a sound body, or that his fortune shall continue? But no one can be happy without an immovable, fixed, and permanent good. What, 178then, is this opinion of theirs? So that I think that saying of the Spartan may be applied to them, who, on some merchant’s boasting before him that he had despatched ships to every maritime coast, replied that a fortune which depended on ropes was not very desirable. Can there be any doubt that whatever may be lost cannot be properly classed in the number of those things which complete a happy life? for of all that constitutes a happy life, nothing will admit of withering, or growing old, or wearing out, or decaying; for whoever is apprehensive of any loss of these things cannot be happy: the happy man should be safe, well fenced, well fortified, out of the reach of all annoyance, not like a man under trifling apprehensions, but free from all such. As he is not called innocent who but slightly offends, but he who offends not at all, so it is he alone who is to be considered without fear who is free from all fear, not he who is but in little fear. For what else is courage but an affection of mind that is ready to undergo perils, and patient in the endurance of pain and labor without any alloy of fear?
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Now, this certainly could not be the case if there were anything else good but what depended on honesty alone. But how can any one be in possession of that desirable and much-coveted security (for I now call a freedom from anxiety a security, on which freedom a happy life depends) who has, or may have, a multitude of evils attending him? How can he be brave and undaunted, and hold everything as trifles which can befall a man? for so a wise man should do, unless he be one who thinks that everything depends on himself. Could the Lacedæmonians without this, when Philip threatened to prevent all their attempts, have asked him if he could prevent their killing themselves? Is it not easier, then, to find one man of such a spirit as we are inquiring after, than to meet with a whole city of such men? Now, if to this courage I am speaking of we add temperance, that it may govern all our feelings and agitations, what can be wanting to complete his happiness who is secured by his courage from uneasiness and fear, and is prevented from immoderate desires and immoderate insolence of joy by temperance? I could easily show that virtue is able to 179produce these effects, but that I have explained on the foregoing days.
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XV. But as the perturbations of the mind make life miserable, and tranquillity renders it happy; and as these perturbations are of two sorts, grief and fear, proceeding from imagined evils, and as immoderate joy and lust arise from a mistake about what is good, and as all these feelings are in opposition to reason and counsel; when you see a man at ease, quite free and disengaged from such troublesome commotions, which are so much at variance with one another, can you hesitate to pronounce such a one a happy man? Now, the wise man is always in such a disposition; therefore the wise man is always happy. Besides, every good is pleasant; whatever is pleasant may be boasted and talked of; whatever may be boasted of is glorious; but whatever is glorious is certainly laudable, and whatever is laudable doubtless, also, honorable: whatever, then, is good is honorable (but the things which they reckon as goods they themselves do not call honorable); therefore what is honorable alone is good. Hence it follows that a happy life is comprised in honesty alone. Such things, then, are not to be called or considered goods, when a man may enjoy an abundance of them, and yet be most miserable.
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Is there any doubt but that a man who enjoys the best health, and who has strength and beauty, and his senses flourishing in their utmost quickness and perfection—suppose him likewise, if you please, nimble and active, nay, give him riches, honors, authority, power, glory—now, I say, should this person, who is in possession of all these, be unjust, intemperate, timid, stupid, or an idiot—could you hesitate to call such a one miserable? What, then, are those goods in the possession of which you may be very miserable? Let us see if a happy life is not made up of parts of the same nature, as a heap implies a quantity of grain of the same kind. And if this be once admitted, happiness must be compounded of different good things, which alone are honorable; if there is any mixture of things of another sort with these, nothing honorable can proceed from such a composition: now, take away honesty, and how can you imagine anything happy? For whatever is good is desirable on that account; whatever is desirable 180must certainly be approved of; whatever you approve of must be looked on as acceptable and welcome. You must consequently impute dignity to this; and if so, it must necessarily be laudable: therefore, everything that is laudable is good. Hence it follows that what is honorable is the only good. And should we not look upon it in this light, there will be a great many things which we must call good.
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XVI. I forbear to mention riches, which, as any one, let him be ever so unworthy, may have them, I do not reckon among goods; for what is good is not attainable by all. I pass over notoriety and popular fame, raised by the united voice of knaves and fools. Even things which are absolute nothings may be called goods; such as white teeth, handsome eyes, a good complexion, and what was commended by Euryclea, when she was washing Ulysses’s feet, the softness of his skin and the mildness of his discourse. If you look on these as goods, what greater encomiums can the gravity of a philosopher be entitled to than the wild opinion of the vulgar and the thoughtless crowd? The Stoics give the name of excellent and choice to what the others call good: they call them so, indeed; but they do not allow them to complete a happy life. But these others think that there is no life happy without them; or, admitting it to be happy, they deny it to be the most happy. But our opinion is, that it is the most happy; and we prove it from that conclusion of Socrates. For thus that author of philosophy argued: that as the disposition of a man’s mind is, so is the man; such as the man is, such will be his discourse; his actions will correspond with his discourse, and his life with his actions. But the disposition of a good man’s mind is laudable; the life, therefore, of a good man is laudable; it is honorable, therefore, because laudable; the unavoidable conclusion from which is that the life of good men is happy.
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For, good Gods! did I not make it appear, by my former arguments—or was I only amusing myself and killing time in what I then said?—that the mind of a wise man was always free from every hasty motion which I call a perturbation, and that the most undisturbed peace always reigned in his breast? A man, then, who is temperate and consistent, free from fear or 181grief, and uninfluenced by any immoderate joy or desire, cannot be otherwise than happy; but a wise man is always so, therefore he is always happy. Moreover, how can a good man avoid referring all his actions and all his feelings to the one standard of whether or not it is laudable? But he does refer everything to the object of living happily: it follows, then, that a happy life is laudable; but nothing is laudable without virtue: a happy life, then, is the consequence of virtue. And this is the unavoidable conclusion to be drawn from these arguments.
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XVII. A wicked life has nothing which we ought to speak of or glory in; nor has that life which is neither happy nor miserable. But there is a kind of life that admits of being spoken of, and gloried in, and boasted of, as Epaminondas saith,
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The wings of Sparta’s pride my counsels clipp’d.
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Who, from beyond Mæotis to the place
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Where the sun rises, deeds like mine can trace?
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If, then, there is such a thing as a happy life, it is to be gloried in, spoken of, and commended by the person who enjoys it; for there is nothing excepting that which can be spoken of or gloried in; and when that is once admitted, you know what follows. Now, unless an honorable life is a happy life, there must, of course, be something preferable to a happy life; for that which is honorable all men will certainly grant to be preferable to anything else. And thus there will be something better than a happy life: but what can be more absurd than such an assertion? What! when they grant vice to be effectual to the rendering life miserable, must they not admit that there is a corresponding power in virtue to make life happy? For contraries follow from contraries. And here I ask what weight they think there is in the balance of Critolaus, who having put the goods of the mind into one scale, and the goods of the body and other external advantages into the other, thought the goods of the mind outweighed the others so far that they would require the whole earth and sea to equalize the scale.
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182XVIII. What hinders Critolaus, then, or that gravest of philosophers, Xenocrates (who raises virtue so high, and who lessens and depreciates everything else), from not only placing a happy life, but the happiest possible life, in virtue? And, indeed, if this were not the case, virtue would be absolutely lost. For whoever is subject to grief must necessarily be subject to fear too, for fear is an uneasy apprehension of future grief; and whoever is subject to fear is liable to dread, timidity, consternation, cowardice. Therefore, such a person may, some time or other, be defeated, and not think himself concerned with that precept of Atreus,
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And let men so conduct themselves in life,
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As to be always strangers to defeat.
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But such a man, as I have said, will be defeated; and not only defeated, but made a slave of. But we would have virtue always free, always invincible; and were it not so, there would be an end of virtue. But if virtue has in herself all that is necessary for a good life, she is certainly sufficient for happiness: virtue is certainly sufficient, too, for our living with courage; if with courage, then with a magnanimous spirit, and indeed so as never to be under any fear, and thus to be always invincible. Hence it follows that there can be nothing to be repented of, no wants, no lets or hinderances. Thus all things will be prosperous, perfect, and as you would have them, and, consequently, happy; but virtue is sufficient for living with courage, and therefore virtue is able by herself to make life happy. For as folly, even when possessed of what it desires, never thinks it has acquired enough, so wisdom is always satisfied with the present, and never repents on her own account.
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XIX. Look but on the single consulship of Lælius, and that, too, after having been set aside (though when a wise and good man like him is outvoted, the people are disappointed of a good consul, rather than be disappointed by a vain people); but the point is, would you prefer, were it in your power, to be once such a consul as Lælius, or be elected four times, like Cinna? I have no doubt in the world what answer you will make, and it is on that account I put the question to you.
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183I would not ask every one this question; for some one perhaps might answer that he would not only prefer four consulates to one, but even one day of Cinna’s life to whole ages of many famous men. Lælius would have suffered had he but touched any one with his finger; but Cinna ordered the head of his colleague consul, Cn. Octavius, to be struck off; and put to death P. Crassus58, and L. Cæsar59, those excellent men, so renowned both at home and abroad; and even M. Antonius60, the greatest orator whom I ever heard; and C. Cæsar, who seems to me to have been the pattern of humanity, politeness, sweetness of temper, and wit. Could he, then, be happy who occasioned the death of these men? So far from it, that he seems to be miserable, not only for having performed these actions, but also for acting in such a manner that it was lawful for him to do it, though it is unlawful for any one to do wicked actions; but this proceeds from inaccuracy, of speech, for we call whatever a man is allowed to do lawful. Was not Marius happier, I pray you, when he shared the glory of the victory gained over the Cimbrians with his colleague Catulus (who was almost another Lælius; for I look upon the two men as very like one another), than when, conqueror in the civil war, he in a passion answered the friends of Catulus, who were interceding for him, “Let him die?” And this answer he gave, not once only, but often. But in such a case, he was happier who submitted to that barbarous decree than he who issued it.
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And it is better to receive an injury than to do one; and so it was better to advance a little to meet that death that was making its approaches, as Catulus did, than, like Marius, to sully the glory of six consulships, and disgrace his latter days, by the death of such a man.
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XX. Dionysius exercised his tyranny over the Syracusans thirty-eight years, being but twenty-five years old 184when he seized on the government. How beautiful and how wealthy a city did he oppress with slavery! And yet we have it from good authority that he was remarkably temperate in his manner of living, that he was very active and energetic in carrying on business, but naturally mischievous and unjust; from which description every one who diligently inquires into truth must inevitably see that he was very miserable. Neither did he attain what he so greatly desired, even when he was persuaded that he had unlimited power; for, notwithstanding he was of a good family and reputable parents (though that is contested by some authors), and had a very large acquaintance of intimate friends and relations, and also some youths attached to him by ties of love after the fashion of the Greeks, he could not trust any one of them, but committed the guard of his person to slaves, whom he had selected from rich men’s families and made free, and to strangers and barbarians. And thus, through an unjust desire of governing, he in a manner shut himself up in a prison. Besides, he would not trust his throat to a barber, but had his daughters taught to shave; so that these royal virgins were forced to descend to the base and slavish employment of shaving the head and beard of their father. Nor would he trust even them, when they were grown up, with a razor; but contrived how they might burn off the hair of his head and beard with red-hot nutshells.
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And as to his two wives, Aristomache, his countrywoman, and Doris of Locris, he never visited them at night before everything had been well searched and examined. And as he had surrounded the place where his bed was with a broad ditch, and made a way over it with a wooden bridge, he drew that bridge over after shutting his bedchamber door. And as he did not dare to stand on the ordinary pulpits from which they usually harangued the people, he generally addressed them from a high tower. And it is said that when he was disposed to play at ball—for he delighted much in it—and had pulled off his clothes, he used to give his sword into the keeping of a young man whom he was very fond of. On this, one of his intimates said pleasantly, “You certainly trust your life with him;” and as the young man happened to smile at this, he ordered them both to be slain, 185the one for showing how he might be taken off, the other for approving of what had been said by smiling. But he was so concerned at what he had done that nothing affected him more during his whole life; for he had slain one to whom he was extremely partial. Thus do weak men’s desires pull them different ways, and while they indulge one, they act counter to another.
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XXI. This tyrant, however, showed himself how happy he really was; for once, when Damocles, one of his flatterers, was dilating in conversation on his forces, his wealth, the greatness of his power, the plenty he enjoyed, the grandeur of his royal palaces, and maintaining that no one was ever happier, “Have you an inclination,” said he, “Damocles, as this kind of life pleases you, to have a taste of it yourself, and to make a trial of the good fortune that attends me?” And when he said that he should like it extremely, Dionysius ordered him to be laid on a bed of gold with the most beautiful covering, embroidered and wrought with the most exquisite work, and he dressed out a great many sideboards with silver and embossed gold. He then ordered some youths, distinguished for their handsome persons, to wait at his table, and to observe his nod, in order to serve him with what he wanted. There were ointments and garlands; perfumes were burned; tables provided with the most exquisite meats. Damocles thought himself very happy. In the midst of this apparatus, Dionysius ordered a bright sword to be let down from the ceiling, suspended by a single horse-hair, so as to hang over the head of that happy man. After which he neither cast his eye on those handsome waiters, nor on the well-wrought plate; nor touched any of the provisions: presently the garlands fell to pieces. At last he entreated the tyrant to give him leave to go, for that now he had no desire to be happy61.
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Does not Dionysius, then, seem to have declared there can be no happiness for one who is under constant apprehensions? But it was not now in his power 186to return to justice, and restore his citizens their rights and privileges; for, by the indiscretion of youth, he had engaged in so many wrong steps and committed such extravagances, that, had he attempted to have returned to a right way of thinking, he must have endangered his life.
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XXII. Yet, how desirous he was of friendship, though at the same time he dreaded the treachery of friends, appears from the story of those two Pythagoreans: one of these had been security for his friend, who was condemned to die; the other, to release his security, presented himself at the time appointed for his dying: “I wish,” said Dionysius,“ you would admit me as the third in your friendship.” What misery was it for him to be deprived of acquaintance, of company at his table, and of the freedom of conversation! especially for one who was a man of learning, and from his childhood acquainted with liberal arts, very fond of music, and himself a tragic poet—how good a one is not to the purpose, for I know not how it is, but in this way, more than any other, every one thinks his own performances excellent. I never as yet knew any poet (and I was very intimate with Aquinius), who did not appear to himself to be very admirable. The case is this: you are pleased with your own works; I like mine. But to return to Dionysius. He debarred himself from all civil and polite conversation, and spent his life among fugitives, bondmen, and barbarians; for he was persuaded that no one could be his friend who was worthy of liberty, or had the least desire of being free.
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XXIII. Shall I not, then, prefer the life of Plato and Archytas, manifestly wise and learned men, to his, than which nothing can possibly be more horrid, or miserable, or detestable?
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I will present you with an humble and obscure mathematician of the same city, called Archimedes, who lived many years after; whose tomb, overgrown with shrubs and briers, I in my quæstorship discovered, when the Syracusans knew nothing of it, and even denied that there was any such thing remaining; for I remembered some verses, which I had been informed were engraved on his monument, and these set forth that on the top of the tomb 187there was placed a sphere with a cylinder. When I had carefully examined all the monuments (for there are a great many tombs at the gate Achradinæ), I observed a small column standing out a little above the briers, with the figure of a sphere and a cylinder upon it; whereupon I immediately said to the Syracusans—for there were some of their principal men with me there—that I imagined that was what I was inquiring for. Several men, being sent in with scythes, cleared the way, and made an opening for us. When we could get at it, and were come near to the front of the pedestal, I found the inscription, though the latter parts of all the verses were effaced almost half away. Thus one of the noblest cities of Greece, and one which at one time likewise had been very celebrated for learning, had known nothing of the monument of its greatest genius, if it had not been discovered to them by a native of Arpinum. But to return to the subject from which I have been digressing.
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Who is there in the least degree acquainted with the Muses, that is, with liberal knowledge, or that deals at all in learning, who would not choose to be this mathematician rather than that tyrant? If we look into their methods of living and their employments, we shall find the mind of the one strengthened and improved with tracing the deductions of reason, amused with his own ingenuity, which is the one most delicious food of the mind; the thoughts of the other engaged in continual murders and injuries, in constant fears by night and by day. Now imagine a Democritus, a Pythagoras, and an Anaxagoras; what kingdom, what riches, would you prefer to their studies and amusements? For you must necessarily look for that excellence which we are seeking for in that which is the most perfect part of man; but what is there better in man than a sagacious and good mind? The enjoyment, therefore, of that good which proceeds from that sagacious mind can alone make us happy; but virtue is the good of the mind: it follows, therefore, that a happy life depends on virtue. Hence proceed all things that are beautiful, honorable, and excellent, as I said above (but this point must, I think, be treated of more at large), and they are well stored with joys. For, as it is clear that a happy life consists in perpetual and unexhausted 188pleasures, it follows, too, that a happy life must arise from honesty.
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XXIV. But that what I propose to demonstrate to you may not rest on mere words only, I must set before you the picture of something, as it were, living and moving in the world, that may dispose us more for the improvement of the understanding and real knowledge. Let us, then, pitch upon some man perfectly acquainted with the most excellent arts; let us present him for awhile to our own thoughts, and figure him to our own imaginations. In the first place, he must necessarily be of an extraordinary capacity; for virtue is not easily connected with dull minds. Secondly, he must have a great desire of discovering truth, from whence will arise that threefold production of the mind; one of which depends on knowing things, and explaining nature; the other, in defining what we ought to desire and what to avoid; the third, in judging of consequences and impossibilities, in which consists both subtlety in disputing and also clearness of judgment.
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Now, with what pleasure must the mind of a wise man be affected which continually dwells in the midst of such cares and occupations as these, when he views the revolutions and motions of the whole world, and sees those innumerable stars in the heavens, which, though fixed in their places, have yet one motion in common with the whole universe, and observes the seven other stars, some higher, some lower, each maintaining their own course, while their motions, though wandering, have certain defined and appointed spaces to run through! the sight of which doubtless urged and encouraged those ancient philosophers to exercise their investigating spirit on many other things. Hence arose an inquiry after the beginnings, and, as it were, seeds from which all things were produced and composed; what was the origin of every kind of thing, whether animate or inanimate, articulately speaking or mute; what occasioned their beginning and end, and by what alteration and change one thing was converted into another; whence the earth originated, and by what weights it was balanced; by what caverns the seas were supplied; by what gravity all things being carried down tend always to the middle of the world, which in any round body is the lowest place.
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189XXV. A mind employed on such subjects, and which night and day contemplates them, contains in itself that precept of the Delphic God, so as to “know itself,” and to perceive its connection with the divine reason, from whence it is filled with an insatiable joy. For reflections on the power and nature of the Gods raise in us a desire of imitating their eternity. Nor does the mind, that sees the necessary dependences and connections that one cause has with another, think it possible that it should be itself confined to the shortness of this life. Those causes, though they proceed from eternity to eternity, are governed by reason and understanding. And he who beholds them and examines them, or rather he whose view takes in all the parts and boundaries of things, with what tranquillity of mind does he look on all human affairs, and on all that is nearer him! Hence proceeds the knowledge of virtue; hence arise the kinds and species of virtues; hence are discovered those things which nature regards as the bounds and extremities of good and evil; by this it is discovered to what all duties ought to be referred, and which is the most eligible manner of life. And when these and similar points have been investigated, the principal consequence which is deduced from them, and that which is our main object in this discussion, is the establishment of the point, that virtue is of itself sufficient to a happy life.

Source attribution

Cicero's Tusculan Disputations Also, Treatises On The Nature Of The Gods, And On The Commonwealth, Project Gutenberg eBook #14988

163BOOK V. 209THE NATURE OF THE GODS.