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
At any rate I remember that, when he was speaking in the Basilica Julia before the first tribunal, and the four panels of judges [*]( Of the Cenutumviral Court. Four different cases were being tried simultaneously. ) were assembled as usual and the whole building was full of noise, he could still be heard and understood and applauded from all four tribunals at once, a fact which was not complimentary to the other pleaders. But gifts like these are such as all may pray for and few are happy enough to attain. And if we cannot achieve such fortune, we must even be content to be heard by the court which we are addressing. Such then should the orator be, and such are the things which he should know.