"If a man is proud of his wealth, he should not be praised until it is known how he employs it."

"And do you think, you fool, that kisses of love are not venomous, because you perceive not the poison? Know that a beautiful person is a more dangerous animal than scorpions, because these cannot woun…"

"For fear of death is indeed nothing other than to think oneself wise when one is not; for it is to think one knows what one does not know."

"Wonder is the beginning of wisdom."

"Those who offer [wisdom] to all comers for money are known as sophists, prostitutors of wisdom."