John Horton Conway quotes:

... You get surreal numbers by playing games. I used to feel guilty in Cambridge that I spent all day playing games, while I was supposed to be doing mathematics. Then, when I discovered surreal numbers, I realized that playing games IS math.

If experimenters have free will, then so do elementary particles.

The Nazis victimized some people for what they did, some for what they refused to do, some for what they were, and some for the fact that they were.

People think that mathematics is complicated. Mathematics is the simple bit, it's the stuff we CAN understand. It's cats that are complicated.