Art is a higher type of knowledge than experience.
We must be neither cowardly nor rash but courageous.
It is our choice of good or evil that determines our character, not our opinion about good or evil.
There also appears to be another element in the soul, which, though irrational, yet in a manner participates in rational principle.
So the good has been well explained as that at which all things aim.
These virtues are formed in man by his doing the actions ... The good of man is a working of the soul in the way of excellence in a complete life.