A young man is a theory, an old man is a fact.
So long as we do not blow our brains out, we have decided life is worth living.
No man has all the wisdom in the world; everyone has some.
A boy doesn't have to go to war to be a hero; he can say he doesn't like pie when he sees there isn't enough to go around.
Abuse a man unjustly, and you will make friends for him.
In thousands of years there has been no advance in public morals, in philosophy, in religion or in politics, but the advance in business has been the greatest miracle the world has ever known.