Institutio Oratoria
Quintilian
Quintilian. Institutio Oratoria, Volume 1-4. Butler, Harold Edgeworth, translator. Cambridge, Mass; London: Harvard University Press, William Heinemann Ltd., 1920-1922.
Some would have it that rhetoric is a natural gift though they admit that it can be developed by practice. So Antonius in the de Oralore [*](II. lvii. 232.) of Cicero styles it a knack derived from experience, but denies that it is an art:
this statement is however not intended to be accepted by us as the actual truth, but is inserted to make
To this is added the quibble that nothing that is based on art can have existed before the art in question, whereas men have always from time immemorial spoken in their own defence or in denunciation of others: the teaching of rhetoric as an art was, they say, a later invention dating from about the time of Tisias and Corax: oratory therefore existed before art and consequently cannot be an art.