XIII. But if, as we ought to agree, there is a certain natural desire which longs for those things which are according to nature, then, when taken altogether, they must be considerable in amount. And if this point is established, then we may be allowed to inquire about those things at our leisure, and to investigate the greatness of them, and their excellence, and to examine what influence each has on living happily, and also to consider the very obscurations themselves, which, on account of their smallness, are scarcely ever, or I may say never, visible.

What should I say about that as to which there is no dispute? For there is no one who denies that that which is the standard to which everything is referred resembles every nature, and that is the chief thing which is to be desired. For every nature is attached to itself. For what nature is there which ever deserts itself, or any portion of itself, or any one of its parts or faculties, or, in short, any one of those things, or motions, or states which are in accordance with nature? And what nature has ever been forgetful of its original purpose and establishment? There has never been one which does not observe this law from first to last. How, [pg 223] then, does it happen that the nature of man is the only one which ever abandons man, which forgets the body, which places the chief good, not in the whole man, but in a part of man? And how, as they themselves admit, and as is agreed upon by all, will it be preserved, so that that ultimate good of nature, which is the subject of our inquiry, shall resemble every nature? For it would resemble them, if in other natures also there were some ultimate point of excellence. For then that would seem to be the chief good of the Stoics. Why, then, do you hesitate to alter the principles of nature? For why do you say that every animal, the moment that it is born, is prone to feel love for itself, and is occupied in its own preservation? Why do you not rather say that every animal is inclined to that which is most excellent in itself, and is occupied in the guardianship of that one thing, and that the other natures do nothing else but preserve that quality which is the best in each of them? But how can it be the best, if there is nothing at all good besides? But if the other things are to be desired, why, then, is not that which is the chief of all desirable things inferred from the desire of all those things, or of the most numerous and important of them? as Phidias can either begin a statue from the beginning, and finish it, or he can take one which has been begun by another, and complete that.

Now wisdom is like this: for wisdom is not herself the parent of man, but she has received him after he has been commenced by nature. And without regard to her, she ought to complete that work of her's, as an artist would complete a statue. What kind of man, then, is it that nature has commenced? and what is the office and task of wisdom? What is it that ought to be finished and completed by her? If there is nothing to be made further in man, except some kind of motion of the mind, that is to say, reason, then it follows, that the ultimate object is to mould the life according to virtue. For the perfection of reason is virtue. If there is nothing but body, then the chief goods must be good health, freedom from pain, beauty, and so on. The question at this moment is about the chief good of man.

XIV. Why do we hesitate, then, to inquire as to his whole nature, what has been done? For as it is agreed by all, that the whole duty and office of wisdom is to be occupied about [pg 224] the cultivation of man, some (that you may not think that I am arguing against none but the Stoics) bring forward opinions in which they place the chief good among things of a kind which are wholly out of our own power, just as if they were speaking of one of the brute beasts; others, on the contrary, as if man had no body at all, so entirely exclude everything from their consideration except the mind, (and this, too, while the mind itself, in their philosophy, is not some unintelligible kind of vacuum, but something which exists in some particular species of body,) that even that is not content with virtue alone, but requires freedom from pain. So that both these classes do the same thing, as if they neglected the left side of a man, and took care only of the right; or as if they (as Herillus did) attended only to the knowledge of the mind itself, and passed over all action. For it is but a crippled system which all those men set up who pass over many things, and select some one in particular to adhere to. But that is a perfect and full system which those adopt who, while inquiring about the chief good of man, pass over in their inquiry no part either of his mind or body, so as to leave it unprotected. But your school, O Cato, because virtue holds, as we all admit, the highest and most excellent place in man, and because we think those who are wise men, perfect and admirable men, seeks entirely to dazzle the eyes of our minds with the splendour of virtue. For in every living creature there is some one principal and most excellent thing, as, for instance, in horses and dogs; but those must be free from pain and in good health. Therefore, you do not seem to me to pay sufficient attention to what the general path and progress of nature is. For it does not pursue the same course in man that it does in corn, (which, when it has advanced it from the blade to the ear, it leaves and considers the stubble as nothing,) and leave him as soon as it has conducted him to a state of reason. For it is always taking something additional, without ever abandoning what it has previously given. Therefore, it has added reason to the senses; and when it has perfected his reason, it still does not abandon the senses.

As if the culture of the vine, the object of which is to cause the vine, with all its parts, to be in the best possible condition, (however that is what we understand it to be, for [pg 225] one may, as you often do yourselves, suppose anything for the purpose of illustration,) if, then, that culture of the vine be in the vine itself, it would, I presume, desire everything else which concerns the cultivation of the vine, to be as it has been before. But it would prefer itself to every separate part of the vine, and it would feel sure that nothing in the vine was better than itself. In like manner sense, when it has been added to nature, protects it indeed, but it also protects itself. But when reason is also added, then it is placed in a position of such predominant power, that all those first principles of nature are put under its guardianship. Therefore it does not abandon the care of those things over which it is so set, that its duty is to regulate the entire life: so that we cannot sufficiently marvel at their inconsistency. For they assert that the natural appetite, which they call ὁρμὴ, and also duty, and even virtue herself, are all protectors of those things which are according to nature. But when they wish to arrive at the chief good, they overleap everything, and leave us two tasks instead of one—namely, to choose some things and desire others, instead of including both under one head.

XV. But now you say that virtue cannot properly be established, if those things which are external to virtue have any influence on living happily. But the exact contrary is the case. For virtue cannot possibly be introduced, unless everything which it chooses and which it neglects is all referred to one general end. For if we entirely neglect ourselves, we then fall into the vices and errors of Ariston, and shall forget the principles which we have attributed to virtue itself. But if we do not neglect those things, and yet do not refer them to the chief good, we shall not be very far removed from the trivialities of Herillus. For we shall have to adopt two different plans of conduct in life: for he makes out that there are two chief goods unconnected with each other; but if they were real goods, they ought to be united; but at present they are separated, so that they never can be united. But nothing can be more perverse than this. Therefore, the fact is exactly contrary to your assertion: for virtue cannot possibly be established firmly, unless it maintains those things which are the principles of nature as having an influence on the object. For we have been looking [pg 226] for a virtue which should preserve nature, not for one which should abandon it. But that of yours, as you represent it, preserves only one part, and abandons the rest.

And, indeed, if the custom of man could speak, this would be its language. That its first beginnings were, as it were, beginnings of desire that it might preserve itself in that nature in which it had been born. For it had not yet been sufficiently explained what nature desired above all things. Let it therefore be explained. What else then will be understood but that no part of nature is to be neglected? And if there is nothing in it besides reason, then the chief good must be in virtue alone. But if there is also body, then will that explanation of nature have caused us to abandon the belief which we held before the explanation. Is it, then, being in a manner suitable to nature to abandon nature? As some philosophers do, when having begun with the senses they have seen something more important and divine, and then abandoned the senses; so, too, these men, when they had beheld the beauty of virtue developed in its desire for particular things, abandoned everything which they had seen for the sake of virtue herself, forgetting that the whole nature of desirable things was so extensive that it remained from beginning to end; and they do not understand that they are taking away the very foundations of these beautiful and admirable things.

XVI. Therefore, all those men appear to me to have made a blunder who have pronounced the chief good to be to live honourably. But some have erred more than others,—Pyrrho above all, who, having fixed on virtue as the chief good, refuses to allow that there is anything else in the world deserving of being desired; and, next to him, Aristo, who did not, indeed, venture to leave nothing else to be desired, but who introduced influence, by which a wise man might be excited, and desire whatever occurred to his mind, and whatever even appeared so to occur. He was more right than Pyrrho, inasmuch as he left man some kind of desire; but worse than the rest, inasmuch as he departed wholly from nature: but the Stoics, because they place the chief good in virtue alone, resemble these men: but inasmuch as they seek for a principle of duty, they are superior to Pyrrho; and as they do not admit the desire of those objects which offer [pg 227] themselves to the imagination, they are more correct than Aristo; but, inasmuch as they do not add the things which they admit to be adopted by nature, and to be worthy of being chosen for their own sakes, to the chief good, they here desert nature, and are in some degree not different from Aristo: for he invented some strange kinds of occurrences; but these men recognise, indeed, the principles of nature, but still they disconnect them from the perfect and chief good; and when they put them forward, so that there may be some selection of things, they appear to follow nature; but when they deny that they have any influence in making life happy, they again abandon nature.

And hitherto I have been showing how destitute Zeno was of any good reason for abandoning the authority of previous philosophers: now let us consider the rest of his arguments; unless, indeed, O Cato, you wish to make any reply to what I have been saying, or unless we are getting tedious. Neither, said he; for I wish this side of the question to be completely argued by you; nor does your discourse seem to me to be at all tedious. I am glad to hear it, I replied; for what can be more desirable for me than to discuss the subject of virtue with Cato, who is the most virtuous of men in every point? But, first of all, remark that that imposing sentiment of yours, which brings a whole family after it, namely, that what is honourable is the only good, and that to live honourably is the chief good, will be shared in common with you by all who define the chief good as consisting in virtue alone; and, as to what you say, that virtue cannot be formed if anything except what is honourable is included in the account, the same statement will be made by those whom I have just named. But it appeared to me to be fairer, advancing from one common beginning, to see where Zeno, while disputing with Polemo, from whom he had learnt what the principles of nature were, first took his stand, and what the original cause of the controversy was; and not to stand on their side, who did not even allow that their own chief good was derived from nature, and to employ the same arguments which they did, and to maintain the same sentiments.

XVII. But I am very far from approving this conduct of yours, that when you have proved, as you imagine, that that [pg 228] alone is good which is honourable, then say again that it is necessary that beginnings should be put forward which are suitable and adapted to nature; by a selection from which virtue might be called into existence. For virtue ought not to have been stated to consist in selection, so that that very thing which was itself the chief good, was to acquire something besides itself; for all things which are to be taken, or chosen, or desired, ought to exist in the chief good, so that he who has attained that may want nothing more. Do you not see how evident it is to those men whose chief good consists in pleasure, what they ought to do and what they ought not? so that no one of them doubts what all their duties ought to regard, what they ought to pursue, or avoid. Let this, then, be the chief good which is now defended by me; it will be evident in a moment what are the necessary duties and actions. But you, who set before yourselves another end except what is right and honourable, will not be able to find out where your principle of duty and action is to originate.