The purpose of software engineering is to control complexity, not to create it.

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

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

A program that produces incorrect results twice as fast is infinitely slower.

When working on a problem, think only how to solve it. If the solution is not simple and has no inner beauty such as art, it is wrong.