The truly good and wise man will bear all kinds of fortune in a seemly way, and will always act in the noblest manner that the circumstances allow.

A proper wife should be as obedient as a slave... The female is a female by virtue of a certain lack of qualities - a natural defectiveness.

Intuition is the source of scientific knowledge.

I say that habit's but a long practice, friend, and this becomes men's nature in the end.

If happiness is activity in accordance with excellence, it is reasonable that it should be in accordance with the highest excellence.

He is his own best friend and takes delight in privacy whereas the man of no virtue or ability is his own worst enemy and is afraid of solitude.

Happiness seems to require a modicum of external prosperity.