Labor is the only prayer that Nature answers.

Anger is a wind which blows out the lamp of the mind.

Shakespeare has done far more for the world than the Bible.

When your little child tells a lie, do not rush at him as though the world were about to go into bankruptcy. Be honest with him. A tyrant father will have liars for his children; do you know that? A lie is born of tyranny upon the one hand and weakness upon the other, and when you rush at a poor little boy with a club in your hand, of course he lies.

A miracle is the badge and brand of fraud. ... No intelligent, honest man ever pretended to perform a miracle, and never will.

An infinite personality is an infinite impossibility.

The first duty of man is to support himself - to see to it that he does not become a burden. His next duty is to help others if he has a surplus, and if he really believes they deserve to be helped.