You want to be extra rigorous about making the best possible thing you can. Find everything that's wrong with it and fix it.

Automotive franchise laws were put in place decades ago to prevent a manufacturer from unfairly opening stores in direct competition with an existing franchise dealer that had already invested time, money and effort to open and promote their business.

I'm increasingly inclined to think there should be some regulatory oversight, maybe at the national and international level just to make sure that we don't do something very foolish.

There's a real opportunity to have a vertical takeoff and landing electric supersonic jet.

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?'

If anyone has a vested interest in space solar power, it would have to be me.

As you heat the planet up, it's just like boiling a pot.