Programming is legitimate and necessary academic endeavour.

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

The best practice is inspired by theory.

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

A mathematical formula should never be "owned" by anybody! Mathematics belong to God.

My general working style is to write everything first with pencil and paper, sitting beside a big wastebasket. Then I use Emacs to enter the text into my machine.

I decry the current tendency to seek patents on algorithms. There are better ways to earn a living than to prevent other people from making use of one's contributions to computer science.