Institutio Oratoria
Quintilian
Quintilian. Institutio Oratoria, Volume 1-4. Butler, Harold Edgeworth, translator. Cambridge, Mass; London: Harvard University Press, William Heinemann Ltd., 1920-1922.
Indeed if we place the task of praise and denunciation in the third division, on what kind of oratory are we to consider ourselves to be employed, when we complain, console, pacify, excite, terrify, encourage, instruct, explain obscurities, narrate, plead for mercy, thank, congratulate, reproach, abuse, describe, command, retract, express our desires and opinions, to mention no other of the many possibilities?
As an adherent of the older view I must ask for indulgence and must enquire what was the reason that led earlier writers to restrict a subject