I want to be cremated so people won't come to worship at my bones.

One should guard against preaching to young people success in the customary form as the main aim in life. The most important motive for work in school and in life is pleasure in work, pleasure in its result, and the knowledge of the value of the result to the community.

I know not with what weapons World War III will be fought, but World War IV will be fought with sticks and stones.

My success wasn't so much due to intelligence, but the fact that I stuck with problems longer.

We know nothing at all. All our knowledge is but the knowledge of schoolchildren. The real nature of things we shall never know.

Mere praise of peace is easy and ineffective. What is needed is acitve participation in the fight against war and everything which leads to it.

The American lives even more for his goals, for the future, than the European. Life for him is always becoming, never being.