The whole thing that makes a mathematician’s life worthwhile is that he gets the grudging admiration of three or four colleagues.

Any inaccuracies in this index may be explained by the fact that it has been prepared with the help of a computer.

I try to learn certain areas of computer science exhaustively; then I try to digest that knowledge into a form that is accessible to people who don't have time for such study.

It would be nice if we could design a virtual reality in Hyperbolic Space, and meet each other there.

Science is what we understand well enough to explain to a computer. Art is everything else we do.

I currently use Ubuntu Linux, on a standalone laptop - it has no Internet connection. I occasionally carry flash memory drives between this machine and the Macs that I use for network surfing and graphics; but I trust my family jewels only to Linux.

I've never been a good estimator of how long things are going to take.