I wouldn't want to live if I did not have my work. In any case, it's good that I'm already old and personally don't have to count on a prolonged future.

Ninety nine failed solutions equals a gain of 99 pieces of information.

I believe that Gandhi’s views were the most enlightened of all the political men of our time.

Women marry men hoping they will change. Men marry women hoping they will not.

Enough for me is the mystery of the eternity of life, and the inkling of the marvelous structure of reality. There is in this neither a will nor a goal, nor a must, but only sheer being.

It is every man's obligation to put back into the world at least the equivalent of what he takes out of it.

An oligarchy of private capital cannot be effectively checked even by a democratically organized political society because under existing conditions, private capitalists inevitably control, directly or indirectly, the main sources of information.