A list is only as strong as its weakest link.

I think people who write programs do have at least a glimmer of extra insight into the nature of God... because creating a program often means that you have to create a small universe

The designer of a new kind of system must participate fully in the implementation.

People think that computer science is the art of geniuses but the actual reality is the opposite, just many people doing things that build on each other, like a wall of mini stones.

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.

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

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