He who hath many friends hath none. - Aristotle

"To perceive is to suffer."

"Happiness depends upon ourselves."

"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."

"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."

"Love is composed of a single soul inhabiting two bodies."