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

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.

The hardest thing is to go to sleep at night, when there are so many urgent things needing to be done. A huge gap exists between what we know is possible with today's machines and what we have so far been able to finish.

I have a hunch that the unknown sequences of DNA will decode into copyright notices and patent protections.

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

Programs are meant to be read by humans and only incidentally for computers to execute.

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