I didn't arrive at my understanding of the fundamental laws of the universe through my rational mind.

I refuse to make money out of my science. My laurel is not for sale like so many bales of cotton.

I cannot then believe in this concept of an anthropomorphic God who has the powers of interfering with these natural laws. As I said before, the most beautiful and most profound religious emotion that we can experience is the sensation of the mystical. And this mysticality is the power of all true science.

Common sense is nothing more than a deposit of prejudices laid down by the mind before you reach eighteen.

The Nuremberg Trial of the German war criminals was tacitly based on the recognition of the principle: criminal actions cannot be excused if committed on government orders; conscience supersedes the authority of the law of the state.

The only way to escape the personal corruption of praise is to go on working. One is tempted to stop and listen to it. The only thing is to turn away and go on working. Work. There is nothing else.

Man owes his strength in the struggle for existence to the fact that he is a social animal.