"The most valuable thing in life is a good friend."

"When I look upon seamen, men of science and philosophers, man is the wisest of all beings; when I look upon priests and prophets nothing is as contemptible as man."

"He once saw a boy drinking water out of his hands, and immediately threw away the cup which he carried attached to his wallet, saying, 'A boy has beaten me in plainness of living.'"

"I am a dog, belonging to no particular master, but to the gods."

"It takes a wise man to discover a wise man."