Institutio Oratoria
Quintilian
Quintilian. Institutio Oratoria, Volume 1-4. Butler, Harold Edgeworth, translator. Cambridge, Mass; London: Harvard University Press, William Heinemann Ltd., 1920-1922.
I must, however, admit that the general opinion is that the untrained speaker is usually the more vigorous. This opinion is due primarily to the erroneous judgment of faulty critics, who think that true vigour is all the greater for its lack of art, regarding it as a special proof of strength to force what might be opened, to break what might be untied and to drag what might be led.
Even a gladiator who plunges into the fight with no skill at arms to help him, and a wrestler who puts forth the whole strength of his body the moment he has got a hold, is acclaimed by them for his outstanding vigour, although it is of frequent occurrence in such cases for the latter to be overthrown by his own strength and for the former to find the fury of his