"He marvelled that anyone should make money by the profession of virtue, and should not reflect that his highest reward would be the gain of a good friend."

"Those who render no service either by word or deed, who cannot help army or city or the people itself in time of need, ought to be stopped, even if they have riches in abundance, above all if they are…"

"By all means marry; if you get a good wife, you'll become happy; if you get a bad one, you'll become a philosopher."

"I know nothing except the fact of my ignorance."

"Contentment is natural wealth, luxury is artificial poverty."