Take a chance - it's the best way to test yourself, have fund and push boundaries.

Look for the best in people to build a fantastic team

I just kind of dive in if I think I can create something that will make a difference and then try to get the numbers to stack up after the event. So most of the things I've done I would not have done if I'd have asked the accountants to look at them before.

If you can run one business well, you can run any business well.

I think entrepreneurship is our natural state--a big adult word that probably boils down to something much more obvious like playfulness.

I love the freedom of movement that my phone gives me. That has definitely transformed my life.

Space travel will be like every other business. There will be competitors. . . . Thirty months from now, I'm confident we'll be flying people into space.