It's not everything, it's what you need.
First learn computer science and all the theory. Next develop a programming style. Then forget all that and just hack. (George Carrette) Most of you are familiar with the virtues of a programmer. There are three, of course: laziness, impatience, and hubris. (Larry Wall) True innovation often comes from the small startup who is lean enough to launch a market but lacks the heft to own it.
