I'm a Silicon Valley guy. I just think people from Silicon Valley can do anything.

The key test for an acronym is to ask whether it helps or hurts communication.

I don't create companies for the sake of creating companies, but to get things done.

Going from PayPal, I thought: 'Well, what are some of the other problems that are likely to most affect the future of humanity?' Not from the perspective, 'What's the best way to make money?'

I'm reasonably optimistic about the future, especially the future of the United States - for the century, at least.

I feel very strongly that SpaceX would not have been able to get started, nor would we have made the progress that we have, without the help of NASA.

If we drive down the cost of transportation in space, we can do great things.