I'm writing my biography. It's my business. This is what happened in my life, and I'm writing about it.
Our knowledge can only be finite, while our ignorance must necessarily be infinite.
Appealing to his [Einstein's] way of expressing himself in theological terms, I said: If God had wanted to put everything into the universe from the beginning, He would have created a universe without change, without organisms and evolution, and without man and man's experience of change. But he seems to have thought that a live universe with events unexpected even by Himself would be more interesting than a dead one.
There is no history, only histories.
We have become makers of our fate when we have ceased to pose as its prophets.
Simple statements are to be prized more highly than less simple ones because they tell us more; because their empirical content is greater; and because they are better testable.
Science is perhaps the only human activity in which errors are systematically criticized and, in time, corrected.
There is no love which does not become help.
Every great change is simple.
When I stand before God at the end of my life, I would hope that I would not have a single bit of talent left, and could say, 'I used everything you gave me'.
For the things of this world cannot be made known without a knowledge of mathematics.