Simplicity is prerequisite for reliability.

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.

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.

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

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