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

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.

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.

Controlling complexity is the essence of computer programming.

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