Institutio Oratoria
Quintilian
Quintilian. Institutio Oratoria, Volume 1-4. Butler, Harold Edgeworth, translator. Cambridge, Mass; London: Harvard University Press, William Heinemann Ltd., 1920-1922.
country is another, for there is a like diversity in the laws, institutions and opinions of different states; sex, since for example a man is more likely to commit a robbery, a woman to poison; age, since different actions suit different ages; education and training, since it makes a great difference who were the instructors and what the method of instruction in each individual case;
bodily constitution, for beauty is often introduced as an argument for lust, strength as an argument for insolence, and their opposites for opposite conduct; fortune, since the same acts are not to be expected from rich and poor, or from one who is surrounded by troops of relations, friends or clients and one who lacks all these advantages; condition, too, is important, for it makes a great difference whether a man be famous or obscure, a magistrate or a private individual, a father or a son, a citizen or a foreigner, a free man or a slave, married or unmarried, a father or childless.