Running a start-up is like eating glass. You just start to like the taste of your own blood.

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

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.

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.

The transition strategies are more important than understanding what the outcome state will be.

At the end of the day, money is just a proxy for votes. That is what makes politics so vulnerable to social media.

It seems like the right thing to do is tackle problems other people aren't working on.