15
Now reason is the mind that with sound logic prefers the life of wisdom.
16
Wisdom, next, is the knowledge of divine and human matters and the causes of these.
17
This, in turn, is education in the law, by which we learn divine matters reverently and human affairs to our advantage.
18
Now the kinds of wisdom are rational judgment, justice, courage, and self-control.
19
Rational judgment is supreme over all of these, since by means of it reason rules over the emotions.