"What we observe as material bodies and forces are nothing but shapes and variations in the structure of space."

"I am no friend of probability theory, I have hated it from the first moment when our dear friend Max Born gave it birth. For it could be seen how easy and simple it made everything, in principle, ever…"

"The future of mankind depends on the wisdom of its leaders. And that is a very frightening thought."

"If we are to be honest, we must admit that the present state of physics offers no hope of a satisfactory picture of the world."

"I am born into an environment — I know not whence I came nor whither I go nor who I am."