Institutio Oratoria

Quintilian

Quintilian. Institutio Oratoria, Volume 1-4. Butler, Harold Edgeworth, translator. Cambridge, Mass; London: Harvard University Press, William Heinemann Ltd., 1920-1922.

This however is only possible if there is time for him to do so and if the arguments which we have put forward are such as not to admit of refutation. For to challenge points which tell in our opponent's favour is not to argue against him, but to play the part of prompter to him.