Socrates
"Are you not ashamed of caring so much for the making of money and for fame and prestige, when you neither think nor care about wisdom and truth and the improvement of your soul?"
"An unexamined life is not worth living."
"If all our misfortunes were laid in one common heap whence everyone must take an equal portion, most people would be contented to take their own."
"If thou continuest to take delight in idle argumentation thou mayest be qualified to combat with the sophists, but will never know how to live with men."
"Beauty is a short-lived tyranny."
"All men's souls are immortal, but the souls of the righteous are immortal and divine."
"False words are not only evil in themselves, but they infect the soul with evil."
"The unexamined life is not worth living."
"I am not an Athenian or a Greek, but a citizen of the world."
"As to marriage or celibacy, let a man take which course he will, he will be sure to repent."
"Virtue does not come from wealth, but. . . wealth, and every other good thing which men have. . . comes from virtue."