There are quite a lot of people who think my aspirations are not possible. That's a good thing. We don't need to really worry about these people very much, because since they don't think it's possible they won't take us very seriously- and they will not actually try to stop us until it's too late.

Had the people who started Facebook decided to stay at Harvard, they would not have been able to build the company, and by the time they graduated in 2006, that window probably would have come and gone.

I do think Bitcoin is the first [encrypted money] that has the potential to do something like change the world.

Beginning with brand rather than substance is dangerous.

You'll attract the employees you need if you can explain why your mission is compelling: not why it's important in general, but why you're doing something important that no one else is going to get done.

In a world of scarce resources, globalization without new technology is unsustainable.

I think somehow people should be encouraged to think about a very long time horizon and I think this is true for businesses, it's true for governments and it's true for people doing things in the non-profit sector.