Institutio Oratoria
Quintilian
Quintilian. Institutio Oratoria, Volume 1-4. Butler, Harold Edgeworth, translator. Cambridge, Mass; London: Harvard University Press, William Heinemann Ltd., 1920-1922.
No one therefore should have any hesitation in pronouncing Attic oratory to be by far the best. But although all Attic writers have something in comion, namely a keen and exact judgement, their talents manitest themselves in a number of different forms.