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.

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

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.

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