"By harming a horse, you decrease his excellence. Thus, by harming a person, you decrease their excellence."

"If women are expected to do the same work as men, we must teach them the same things."

"It's not at all uncommon to find a person's desires compelling him to go against his reason, and to see him cursing himself and venting his passion on the source of the compulsion within him. It's as if there were two warring factions, with passion fighting on the side of reason."

"In politics we presume that everyone who knows how to get votes knows how to administer a city or a state. When we are ill… we do not ask for the handsomest physician, or the most eloquent one."

"Friends have all things in common."

"Each person must tend to the business that accords with his nature."

"The whole life of the philosopher is a preparation for death."

"Eat and drink and sit with the mighty, and make yourself agreeable to them; for from the good you will learn what is good, but if you mix with the bad you will lose the intelligence which you already have."

"Beauty lies in the eyes of the beholder."

"True friendship can exist only between equals."