Institutio Oratoria
Quintilian
Quintilian. Institutio Oratoria, Volume 1-4. Butler, Harold Edgeworth, translator. Cambridge, Mass; London: Harvard University Press, William Heinemann Ltd., 1920-1922.
I went back from the ultimate species (which generally contains the vital point of the case) to the first general question or descended from the genus to the ultimate species, [*](cp. v. x. 5, 6. The statement man is an animal is insufficient as a definition, animal being the genus. Man is mortal introduces a species, but one common to other animals. Man is rational introduces the ultima species. ) applying this method even to deliberative themes.
For example, Numa is deliberating whether to accept the crown offered him by the Romans. First he considers the general question,
Ought I to be a king?Then,
Ought I to be king in a foreign state? Ought I to be king at Rome? Are the Romans likely to put up with such a king as myself?So too in controversial themes. Suppose a brave man to choose another man's wife as his reward. The ultimate species is found in the question whether lie is allowed to choose another man's wife. The general question is whether he should be given whatever he chooses. Next come questions such as whether he can choose his reward from the property of private individuals, whether he