Institutio Oratoria
Quintilian
Quintilian. Institutio Oratoria, Volume 1-4. Butler, Harold Edgeworth, translator. Cambridge, Mass; London: Harvard University Press, William Heinemann Ltd., 1920-1922.
Timanthes, who was, I think, a native of Cythnus, provides an example of this in the picture with which he won the victory over Colotes of Teos. It represented the sacrifice of Iphigenia, and the artist had depicted an expression of grief on the face of Calchas and of still greater grief on that of Ulysses, while he had given Menelaus an agony of sorrow beyond which his art could not go. Having exhausted his powers of emotional expression he was at a loss to portray the father's face as it deserved, and solved the problem by veiling his head and leaving his sorrow to the imagination of the spectator.
Sallust [*](Jug. xix. ) did something similar when he wrote
I think it better to say nothing of Carthage rather than say too little.It has always, therefore, been my custom not to tie myself down to universal or general rules (this being the nearest equivalent I can find for the Greek catholic rules ). For rules are rarely of such a kind that their validity cannot be shaken and overthrown in some