The leader of a company needs to have a decision tree in his head - if this happens, we go this way, but if it winds up like that, then we go this other way.

If I were worried about my reputation, I wouldn't do anything with start-ups

Solving specific problems is what drives me. I am not interested in having a career. I never have been.

You just keep pushing yourself harder and harder to achieve more and more - I don't think it's ever quite as glamorous as it appears on the outside.

I definitely wanted to earn my freedom. But the primary motivation wasn't making money, but making an impact.

The leader of a company needs to have a decision tree in his head - if this happens, we go this way, but if it winds up like that, then we go this other way.

I lived on couches for something like six months. I had no home. I was totally broke. I would stay at a friend's house for two weeks, then move because I didn't want to become this permanent mooch.