"A man cannot be said to succeed in this life who does not satisfy one friend."

"A simple and independent mind does not toil at the bidding of any prince."

"The cost of a thing is the amount of what I call life which is required to be exchanged for it, immediately or in the long run."

"In the long run you only hit what you aim at. Therefore, though you should fail immediately, you had better aim at something high."

"The only obligation which I have a right to assume, is to do at any time what I think right."

"If a man does not keep pace with his companions, perhaps it is because he hears a different drummer. Let him step to the music which he hears, however measured or far away."

"Whom the gods love dies young."

"A friend is one who walks in when the rest of the world walks out."

"One does not learn how to die by killing others."

"I have found the paradox that if I love until it hurts, then there is no hurt, but only more love."

"Nothing matters very much, and few things matter at all."

"Ambition is not a vice of little people."