"Plato said that virtue has no master . If a person does not honor this principle and rejoice in it, but is purchasable for money, he creates many masters for himself."

“If someone gives money to Apollonius, and the giver is someone considered respectable, he will take the money if he needs it. But he will not accept a fee for philosophy even if he does need it.”

“The soul that does not consider the question of the body’s self-sufficiency cannot make itself self-sufficient.”

“In my judgment excellence and wealth are direct opposites.”

“You request my presence at the Olympic Games, and for that reason you have sent envoys. For myself, I would come for the spectacle of physical struggle, except that I would be abandoning the greater struggle for virtue.”

“Approve and pursue the kind that is in accordance with nature. But avoid the kind that claims to be inspired: people like that about tell lies about Gods, and urge us to do many foolish things.”

“The natural philosopher Heraclitus said that man is naturally irrational. If this is true, as it is true, then everyone who enjoys futile glory should hide his face.”