Institutio Oratoria
Quintilian
Quintilian. Institutio Oratoria, Volume 1-4. Butler, Harold Edgeworth, translator. Cambridge, Mass; London: Harvard University Press, William Heinemann Ltd., 1920-1922.
Such words will assuredly be productive of a style that will both give pleasure and awaken admiration; and the admiration will be of a kind far other than that which we bestow on portents, while the pleasure evoked by the charm will have nothing morbid about it, but will be praiseworthy and dignified.
I. What the Greeks call φράσιν we in Latin call elocuio or style. Style is revealed both in individual words and in groups of words. As regards the former, we must see that they are Latin, clear, elegant and well-adapted to produce the desired effect. As regards the latter, they must be correct, aptly placed and adorned with suitable figures.
I have already, in the portions of the first book dealing with the subject of grammar, said all that is necessary on the way to acquire idiomatic and correct speech. But there my remarks were restricted to the prevention of positive faults, and it is well that I should now point out that our words should have nothing provincial or foreign about them. For you will find
for all his astounding eloquence, showed traces of the idiom of Padua. Therefore, if possible, our voice and all our words should be such as to reveal the native of this city, so that our speech may seem to be of genuine Roman origin, and not merely to have been presented with Roman citizenship.