“Philosophy can make people sick.”

“I have gained this by philosophy; I do without being ordered what some are constrained to do by their fear of the law.”

“It is their character indeed that makes people who they are. But it is by reason of their actions that they are happy or the reverse.”

“It is also in the interests of the tyrant to make his subjects poor... the people are so occupied with their daily tasks that they have no time for plotting.”

“Since the branch of philosophy on which we are at present engaged differs from the others in not being a subject of merely intellectual interest — I mean we are not concerned to know what goodness essentially is, but how we are to become good men, for this alone gives the study its practical value — we must apply our minds to the solution of the problems of conduct. ”

“One swallow does not make a summer, neither does one fine day; similarly one day or brief time of happiness does not make a person entirely happy.”

“We make war that we may live in peace.”