Therefore, let those that are young, or rather let all of us, whatever our age, since it is never too late to resolve to follow what is right, strive with all our hearts and devote all our efforts to the pursuit of virtue and eloquence; and perchance it may be granted to us to attain to the perfection that we seek. For since nature does not forbid the attainment of either, why should not someone succeed in attaining both together? And why should not each of us hope to be that happy man?

But if our powers are inadequate to such achievement, we shall still be the better for the double effort in proportion to the distance which we have advanced toward either goal. At any rate let us banish from our hearts the delusion that eloquence, the fairest of all things, can be combined with vice. The power of speaking is even to be accounted an evil when it is found in evil men; for it makes its possessors yet worse than they were before.

I think I hear certain persons (for there will always be some who had rather be eloquent than good) asking, Why then is there so much art in connexion with eloquence? Why have you talked so much of 'glosses,' color is a technical term for the particular aspect given to a case by skilful manipulation of the facts—the 'gloss' or 'varnish' put on them by the accused or accuser. —Peterson on Quint. X. i. 116. the methods of defence to be employed in difficult cases, and sometimes even of actual confession of guilt, unless it is the case that the power and force of speech at times triumphs over truth itself? For a good man will only plead good cases, and those might safely be left to truth to support without the aid of learning.

Now, though my reply to these critics will in the first place be a defence of my own work, it will also explain what I consider to be the duty of a good man on occasions when circumstances have caused him to undertake the defence of the guilty. For it is by no means useless to consider how at times we should speak in defence of falsehood or even of injustice, if only for this reason, that such an investigation will enable us to detect and defeat them with the greater ease, just as the physician who has a thorough knowledge of all that can injure the health will be all the more skilful in the prescription of remedies.

For the Academicians, although they will argue on either side of a question, do not thereby commit themselves to taking one of these two views as their guide in life to the exclusion of the other, while the famous Carneades, who is said to have spoken at Rome in the presence of Cato the Censor, and to have argued against justice with no less vigour than he had argued for justice on the preceding day, was not himself an unjust man. But the nature of virtue is revealed by vice, its opposite, justice becomes yet more manifest from the contemplation of injustice, and there are many other things that are proved by their contraries. Consequently the schemes of his adversaries should be no less well known to the orator than those of the enemy to a commander in the field.