Institutio Oratoria
Quintilian
Quintilian. Institutio Oratoria, Volume 1-4. Butler, Harold Edgeworth, translator. Cambridge, Mass; London: Harvard University Press, William Heinemann Ltd., 1920-1922.
The intention is doubtful, but as it is generally supposed to have existed, some attempt must he made to defend it and to show that it was for the good of the state. On the other hand, if we plead necessity, we shall argue that the fight was accidental and unpremeditated. One of the two parties then must have lain in wait for the other. Which was it? Clodius without doubt. Do you see how inevitably we are led to the right method of defence by the logical necessity of the facts?