Institutio Oratoria
Quintilian
Quintilian. Institutio Oratoria, Volume 1-4. Butler, Harold Edgeworth, translator. Cambridge, Mass; London: Harvard University Press, William Heinemann Ltd., 1920-1922.
But such a course would have been unworthy of his character,
And so although Lysias, who was accounted the first orator of that time, offered him a written defence, he refused to make use of it, since, though he recognised its excellence, he regarded it as unbecoming to himself. This instance alone shows that the end which the orator must keep in view is not persuasion, but speaking well, since there are occasions when to persuade would be a blot upon his honour. The line adopted by Socrates was useless to secure his acquittal, but was of real service to him as a man; and that is by far the greater consideration.
In drawing this distinction between what is expedient and what is becoming, I have followed rather the usage of common speech than the strict law of truth; unless, indeed, the elder Africanus [*]( Falsely accused of having taken a bribe from King Antiochus. See Livy, XXXVIII. li. 16. ) is to be regarded as having failed to consult his true interests, when he retired into exile sooner than wrangle over his own innocence with a contemptible tribune of the people, or unless it be alleged that Publius Rutilius [*]( See de Or. I. liii. 227 sqq. ) was ignorant of his true advantage both on the occasion when he adopted a defence which may almost be compared with that of Socrates, and when he preferred to remain in exile rather than return at Sulla's bidding.
No, these great men regarded all those trifles that the most abject natures regard as