Unix has retarded OS research by 10 years and linux has retarded it by 20.

The key to performance is elegance, not battalions of special cases.

One of my most productive days was throwing away 1000 lines of code.

Any intelligent fool can make things bigger, more complex, and more violent. It takes a touch of genius -- and a lot of courage -- to move in the opposite direction.

Hofstadter's Law: It always takes longer than you expect, even when you take into account Hofstadter's law.