Institutio Oratoria
Quintilian
Quintilian. Institutio Oratoria, Volume 1-4. Butler, Harold Edgeworth, translator. Cambridge, Mass; London: Harvard University Press, William Heinemann Ltd., 1920-1922.
There are also those natural instruments which, as I mentioned above, [*]( I Pr. 27. ) may be further improved by care, such as voice, lungs and grace of carriage and movement, all of which are of such importance
v10-12 p.413
as frequently to give a speaker the reputation for talent. Our own age has had orators of greater resource and power, but Trachalus appeared to stand out above all his contemporaries, when he was speaking. Such was the elect produced by his lofty stature, the fire of his eye, the dignity of his brow, the excellence of his gesture, coupled with a voice which was not almost a tragedian's, as Cicero [*](de Or. I. xxviii. 128. ) demands that it should be, but surpassed the voice of all tragedians that I have ever heard.