Work is undoubtedly worship but laughter is life. Anyone who takes life too seriously must prepare himself for a miserable existence. Anyone who greets joy and sorrows with equal facility can really get the best of life.

I think really, China, Chinese, I think they really have a long history of civilization, rich culture.

What difference does it make to the dead, the orphans, and the homeless, whether the mad destruction is wrought under the name of totalitarianism or the holy name of liberty or democracy?

The miracle is not that we do this work, but that we are happy to do it.

He has a right to criticize, who has a heart to help.

You can't build a reputation on what you are going to do. 

An appeaser is one who feeds a crocodile, hoping it will eat him last. 

Revolution did not necessarily involve sanguinary strife. It was not a cult of bomb and pistol. They may sometimes be mere means for its achievement.

Our public life withers when only the most extreme voices get attention. Most of all, democracy breaks down when the average person feels their voice doesn't matter; that the system is rigged in favor of the rich or the powerful or some narrow interest.

No amount of experimentation can ever prove me right; a single experiment can prove me wrong.

I think and think for months and years. Ninety-nine times, the conclusion is false. The hundredth time I am right.

That deep emotional conviction of the presence of a superior reasoning power, which is revealed in the incomprehensible universe, forms my idea of God.