Institutio Oratoria
Quintilian
Quintilian. Institutio Oratoria, Volume 1-4. Butler, Harold Edgeworth, translator. Cambridge, Mass; London: Harvard University Press, William Heinemann Ltd., 1920-1922.
Again I do not, like some teachers, wish character as revealed by speeches to be indicated as it is by the comic actor, though I think that there should be some modulation of the voice to distinguish such passages from those where the poet is speaking in person.
There are other points where there is much need of instruction: above all, unformed minds which are liable to be all the more deeply impressed by what they learn in their days of childish
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ignorance, must learn not merely what is eloquent; it is even more important that they should study what is morally excellent.