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 rule that we should descend from the common to the particular is much the same, since
v7-9 p.23
what is common is usually general. For example, He killed a tyrantis common, while
A tyrant was killed by his son, by a woman or by his wifeare all particular.