I can’t go to a restaurant and order food because I keep looking at the fonts on the menu.

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.

Email is a wonderful thing for people whose role in life is to be on top of things. But not for me; my role is to be on the bottom of things. What I do takes long hours of studying and uninterruptible concentration.

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

We should forget about small efficiencies, say about 97% of the time: premature optimization is the root of all evil. Yet we should not pass up our opportunities in that critical 3%

The best theory is inspired by practice.