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 after surveying our opponent's proposition, an easy task, we should consider, if possible, what it is most natural to answer first. And, if we imagine the case as being actually pleaded and ourselves as under the necessity of making a reply, that answer will probably suggest itself. On the other hand,