Institutio Oratoria
Quintilian
Quintilian. Institutio Oratoria, Volume 1-4. Butler, Harold Edgeworth, translator. Cambridge, Mass; London: Harvard University Press, William Heinemann Ltd., 1920-1922.
while still greater care is required in teaching all the tropes [*](See Book VIII. chap. vi.) which are employed for the adornment more especially of poetry, but of oratory as well, and in making his class acquainted with the two sorts of schemata or figures known as figures of speech and figures of thought. [*]( See Book chaps. i. and ii. A trope is an expression used in a sense which it cannot strictly bear. A figure is a form of speech differing from the ordinary method of expression; see IX i. 4. ) I shall however
v1-3 p.155
postpone discussion of tropes and figures till I come to deal with the various ornaments of style.