I think the high-tech industry is used to developing new things very quickly. It's the Silicon Valley way of doing business: You either move very quickly and you work hard to improve your product technology, or you get destroyed by some other company.

Yeah, well I think anyone who likes fast cars will love the Tesla. And it has fantastic handling by the way. I mean this car will crush a Porsche on the track, just crush it. So if you like fast cars, you'll love this car. And then oh, by the way, it happens to be electric and it's twice the efficiency of a Prius.

The tough thing is figuring out what questions to ask, but […] once you do that, the rest is really easy.

Silicon Valley has evolved a critical mass of engineers and venture capitalists and all the support structure - the law firms, the real estate, all that - that are all actually geared toward being accepting of startups.

So, there's quite a big keep-out zone, and when you factor the keep-out zone into account, the solar panels put on that area would typically generate more power than that nuclear power plant.

There's a fundamental difference, if you sort of look into the future, between a humanity that is a space-faring civilization, that's out there exploring the stars...compared with one where we are forever confined to Earth until some eventual extinction event.

I would like to fly in space. Absolutely. That would be cool. I used to just do personally risky things, but now I've got kids and responsibilities, so I can't be my own test pilot. That wouldn't be a good idea. But I definitely want to fly as soon as it's a sensible thing to do.