Quality is more important than quantity. One home run is much better than two doubles.

Great engineers are a huge multiplier.

Let them know precisely what you are going to do with their data

I think right now it's a battle for the mindshare of developers and for the mindshare of customers, and right now iPhone and Android are winning that battle.

For most of my life, I’ve felt that there must be more to our existence than meets the eye. This is who I am, and you can’t expect me to be someone I’m not.

I don't mind if people don't like me. Well, I might a little ... but I really mind it when somebody uses their position at Time magazine to tell 10 million people they don't like me. I know what it's like to have your private life painted in the worst possible light in front of a lot of people.

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.