Institutio Oratoria
Quintilian
Quintilian. Institutio Oratoria, Volume 1-4. Butler, Harold Edgeworth, translator. Cambridge, Mass; London: Harvard University Press, William Heinemann Ltd., 1920-1922.
Consequently in the present work although some passages remain the same, you will find many alterations and still more additions, while the whole theme will be treated with greater system and with as great perfection as lies within my power.