Institutio Oratoria
Quintilian
Quintilian. Institutio Oratoria, Volume 1-4. Butler, Harold Edgeworth, translator. Cambridge, Mass; London: Harvard University Press, William Heinemann Ltd., 1920-1922.
Wherefore let us seek with all our hearts that true majesty of oratory, the fairest gift of god to man, without which all things are stricken dumb and robbed alike of present glory and the immortal record of posterity; and let us press forward to whatsoever is best, since, if we do this, we shall either reach the summit or at least see many others far beneath us.
Such, Marcellus Victorius, were the views by the expression of which it seemed to me that I might, as far as in me lay, help to advance the teaching of oratory. If the knowledge of these principles proves to be of small practical utility to the young student, it should at least produce what [value more,—the will to do well.