“The female is, as it were, a mutilated male, and the catamenia are semen, only not pure; for there is only one thing they have not in them, the principle of soul.”

“Those who educate children well are more to be honored than they who produce them; for these only gave them life, those the art of living well.”

“For the things we have to learn before we can do them, we learn by doing them.”

“The only stable state is the one in which all men are equal before the law.”

“Happiness is a quality of the soul...not a function of one's material circumstances.”

“Distance does not break off the friendship absolutely, but only the activity of it.”

“It is of the nature of desire not to be satisfied, and most men live only for the gratification of it.”