Institutio Oratoria

Quintilian

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

For since rhetoric is composed of them, it follows that:, since a whole consists of parts, these must be parts of the whole which they compose. Those who have called them duties seem to me to have been further influenced by the fact that they wished to reserve the name of parts for another

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division of rhetoric: for they asserted that the parts of rhetoric were, panegyric, deliberative and forensic oratory. But if these are parts, they are parts rather of the material than of the art.

For each of them contains the whole of rhetoric, since each of them requires invention, arrangement, expression, memory and delivery. Consequently some writers have thought it better to say that there are three kinds of oratory; those whom Cicero [*](de Or. I. xxxi. 141; Top. xxiv. 91. ) has followed seem to me to have taken the wisest course in terming them kinds of causes.