Institutio Oratoria
Quintilian
Quintilian. Institutio Oratoria, Volume 1-4. Butler, Harold Edgeworth, translator. Cambridge, Mass; London: Harvard University Press, William Heinemann Ltd., 1920-1922.
Since, then, the teacher of literature neither can nor ought to occupy the whole day, for fear of giving his pupil a distaste for work, what are the studies to which the spare time should preferably be devoted?
For I do not wish the student to wear
Why did Plato bear away the palm in all these branches of knowledge which in my opinion the future orator should learn? I answer, because he was not merely content with the teaching which Athens was able to provide or even with that of the Pythagoreans whom he visited in Italy, but even approached the priests of Egypt and made himself thoroughly acquainted with all their secret lore.