Institutio Oratoria
Quintilian
Quintilian. Institutio Oratoria, Volume 1-4. Butler, Harold Edgeworth, translator. Cambridge, Mass; London: Harvard University Press, William Heinemann Ltd., 1920-1922.
Nay, even if too many figures have been used to permit us to take such a course, we may ask our opponents, if they
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have any confidence in the righteousness of their cause, to give frank and open expression to the charges which they have attempted to suggest by indirect hints, or at any rate to refrain from asking the judges not merely to understand, but even to believe things which they themselves are afraid to state in so many words. It may even at times be found useful to pretend to misunderstand them; for which we may compare the well known story of the man who, when his opponent cried,
Swear by the ashes of your father,[*]( See v. vi. 1. An oath might be taken by one of the parties as an alternative to evidence. In court such an oath might be taken only on the proposal of the defendant. The taking of such a proffered oath meant victory for the swearer. ) replied that he was ready to do so, whereupon the judge accepted the proposal, much to the indignation of the advocate, who protested that this would make the use of figures absolutely impossible; we may therefore lay it down as a general rule that such figures should only be used with the utmost caution.