Do not tell me that you have got to be rich! We have a false standard of greatness in the United States. We think here that a man must be great, that he must be notorious; that he must be extremely wealthy, or that his name must be upon the putrid lips of rumor. It is all a mistake. It is not necessary to be rich or to be great, or to be powerful, to be happy. The happy man is the successful man. Happiness is the legal tender of the soul.Joy is wealth.

In a world of cruelty, sympathy is a crime, and in a world of lies, truth is blasphemy.

I don't want to hurt people's feelings if I can help it. I don't want anyone unnecessarily humiliated, but I say whatever stands between you and justice must give way; and if you have to walk over reputations — and if they become pavement you cannot help it.

The greatest test of courage on earth is to bear defeat without losing heart.

No one can control his own opinion or his own belief. My belief was forced upon me by my surroundings. I am the product of all circumstances that have in any way touched me.

Creationists use facts the same way a drunk uses a lightpost: for support instead of illumination

Only those who live on the labor of the ignorant are the enemies of science. Real love and real religion are in no danger from science. The more we know the safer all good things are.