The only thing I understand deeply, because in my teens I was thinking about it, and every year of my life, is software. So I'll never be hands-on on anything except software.

You’ve got to give great tools to small teams. Pick good people, use small teams and give them great tools so that they are very productive in terms of what they are doing.

I have a nice office. I have a nice house... So I'm not denying myself some great things. I just don't happen to have expensive hobbies.

There's only one trick in software, and that is using a piece of software that's already been written.

I never took a day off in my twenties. Not one.

The ability of a successful company to add functionality to its product has long been upheld.

The world won't care about your self-esteem. The world will expect you to accomplish something BEFORE you feel good about yourself.