I never commit to memory anything that can easily be looked up in a book

The bitter and the sweet come from the outside, the hard from within, from one's own efforts.

My pacifism is not based on any intellectual theory but on a deep antipathy to every form of cruelty and hatred.

Everybody is a genius. But if you judge a fish by its ability to climb a tree, it will live its whole life believing that it is stupid.

Humankind's desire for peace can be realized only by the creation of a world government.

Without the sense of fellowship with men of like mind, of preoccupation with the objective, the eternally unattainable in the field of art and scientific research, life would have seemed to me empty.

Everyone has two choices. We're either full of love... or full of fear.