If it should turn out that the whole of physical reality can be described by a finite set of equations, I would be disappointed, I would feel that the Creator had been uncharacteristically lacking in imagination.

There is no doubt that parts of the world are getting warmer, but the warming is not global.

Humanity looks to me like a magnificent beginning but not the final word.

The purpose of thinking about the future is not to predict it but to raise people's hopes.

The world is just - it's wonderful when you look at all the detail. It's just amazing. Nothing is boring if you look at it carefully.

Most of what we see in the universe is dust.

For me, science is just a bunch of tools - it's like playing the violin. I just enjoy calculating, and it's an instrument I know how to play. It's almost an athletic performance, in a way. I was just watching the Olympics, and that's how I feel when proving a theorem.