Let us change our traditional attitude to the construction of programs. Instead of imagining that our main task is to instruct a computer what to do, let us concentrate rather on explaining to human beings what we want a computer to do.

Meta-design is much more difficult than design; it's easier to draw something than to explain how to draw it.

A list is only as strong as its weakest link.

I define UNIX as 30 definitions of regular expressions living under one roof.

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

There's ways to amuse yourself while doing things and thats how I look at efficency.

TeX has found at least one bug in every Pascal compiler it's been run on, I think, and at least two in every C compiler