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

The crazier the theory, the more likely it is to be correct.

Controlling complexity is the essence of computer programming.

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

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.