There is a great satisfaction in building good tools for other people to use.

Almost everything about the universe is astounding. I think the most amazing thing is how gifted we are - we are only monkeys who came down from the trees just recently. We have these amazing gifts of music and mathematics and painting and Olympic running.

Technology must be guided and driven by ethics if it is to do more than provide new toys for the rich.

In religion, you're supposed to be somehow in touch with something deep and full of mysteries.

I think science and religion should be separate.

You have this world of mathematics, which is very real and which contains all kinds of wonderful stuff. And then we also have the world of nature, which is real, too.

I am acutely aware of the fact that the marriage between mathematics and physics, which was so enormously fruitful in past centuries, has recently ended in divorce.