I was worth about over a million dollars when I was 23 and over ten million dollars when I was 24, and over a hundred million dollars when I was 25 and... it wasn't that important — because I never did it for the money.

That's been one of my mantras - focus and simplicity. Simple can be harder than complex: You have to work hard to get your thinking clean to make it simple. But it's worth it in the end because once you get there, you can move mountains.

It's very simple: The more successful you are, the more you'll earn. But if you're not successful, you will not earn a dime.

That's always been in my mind my metaphor for a team working really hard on something they're passionate about. It's that through the team, through that group of incredibly talented people bumping up against each other, having arguments, having fights sometimes, making some noise, and working together they polish each other and they polish the ideas, and what comes out are these really beautiful stones.

And no, we don't know where it will lead. We just know there's something much bigger than any of us here.

Customers always want something new

My job is to make the whole executive team good enough to be successors, so that's what I try to do.