Institutio Oratoria
Quintilian
Quintilian. Institutio Oratoria, Volume 1-4. Butler, Harold Edgeworth, translator. Cambridge, Mass; London: Harvard University Press, William Heinemann Ltd., 1920-1922.
In this case the actual person was before the
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eyes of the court, so that there could be no question whether he existed (as there is, for instance, when we ask whether there exists any land beyond the Ocean) [*](cp. viii. 16. ) nor what he was nor of what kind. The question was simply, who he was. But this kind of dispute also depends on past time. The problem is whether this man Clusinius Figulus was born of Urbinia. Such disputes have arisen even in our own day, indeed I myself have pleaded in such. On the other hand, conjecture as to intention is obviously concerned with all three times. We ask with what purpose Ligarius went to Africa, with what purpose Pyrrhus is asking for a treaty, and how Caesar will take it if Ptolemy kills Pompey. [*](cp. III. viii. 56. ) We may also employ conjecture to enquire into quality in questions dealing with size, species and number, such as whether the sun is greater than the earth, whether the moon is spherical, flat or conical, whether there is one universe or several, or,