Striving for peace and preparing for war are incompatible with each other, and in our time more so than ever.

It is just as important to make knowledge live and keep it alive as to solve specific problems.

In conclusion I wish to say that in working at the problem here dealt with I have had the loyal assistance of my friend and colleague M. Besso, and that I am indebted to him for several valuable suggestions.

There are actually two approaches to reside your daily life. One is as if absolutely nothing is really a miracle. The other is as if every little thing is a wonder

There two things that are infinite, human stupidity and the universe, I don't know about the universe

The world is so full of possibilities that dogmatism is simply indecent.

For me the Jewish religion like all other religions is an incarnation of the most childish superstitions.