Institutio Oratoria

Quintilian

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

Similarly Cornelius Celsus defines the end of rhetoric as

v1-3 p.311

to speak persuasively on any doubtful subject within the field of politics. Similar definitions are given by others, such for instance as the following:—

rhetoric is the power of judging and holding forth on such political subjects as come before it with a certain persuasiveness, a certain action of the body and delivery of the words.

There are countless other definitions, either identical with this or composed of the same elements, which I shall deal with when I come to the questions concerned with the subject matter of rhetoric. Some regard it as neither a power, a science or an art; Critolaus calls it the practice of speaking (for this is the meaning of τριβή ), Athenaeus styles it the art of deceiving,

while the majority, content with reading a few passages from the Gorgias of Plato, unskilfully excerpted by earlier writers, refrain from studying that dialogue and the remainder of Plato's writings, and thereby fall into serious error. For they believe that in Plato's view rhetoric was not an art, but a certain adroitness in the production of delight and gratification, [*](Gorg. 462 c. )