It's what I call "mental masturbation", when you engage is some pointless intellectual exercise that has no possible meaning.
Linus TorvaldsIt's a personality trait: from the very beginning, I knew what I was concentrating on. I'm only doing the kernel - I always found everything around it to be completely boring.
Linus TorvaldsLinux has more than satisfied any small initial expectations I had. It's simply incredible how successful Linux has been, and how good a time I've had developing it and leading the project. It does take a lot of my time, but it's time I really enjoy spending, and Linux has continued to be challenging both technically and from a managing standpoint.
Linus Torvalds