People used to behave morally because they thought God was always watching - in some ways God today is the collective, and the collective is watching.

For me, the most entertaining evening would be to go sit with entrepreneurs and talk with them about how they're building their companies and how we can help to make them better. That's the one thing in the world - well, I love doing that.

The bigger thing with bitcoin is not bitcoin itself, but what does that decentralized technology really do?

When I was 13, I had my first job with my dad carrying shingles up to the roof. And then I got a job washing dishes at a restaurant. And then I got a job in a grocery store deli. And then I got a job in a factory sweeping Cheerio dust off the ground.

I think great relationships are great partnerships, and those come in all shapes, sizes, forms, ages. The only tip I have for anyone in a relationship or a partnership is work on it when it's good. It's very easy to try to take the break when things are going good, but that's the time you have to keep working on it, because you can keep it good, and that's worth a lot.

When your wife calls, you have to take it, no matter what you're doing.

I've usually found that the greatest rewards in my life come from taking on things that are a little bit scary.