Happiness is essentially perfect; so that the happy man requires in addition the goods of the body, external goods and the gifts of fortune, in order that his activity may not be impeded through lack of them.
Men in general desire the good and not merely what their fathers had.
Man by Nature desires to know.
You are what you repeatedly do
Happiness is activity.
Thus every action must be due to one or other of seven causes: chance, nature, compulsion, habit, reasoning, anger, or appetite.