There are some important differences between me and Tony Stark, like I have five kids, so I spend more time going to Disneyland than parties.

You shouldn't do things differently just because they're different. They need to be... better.

There are really two things that have to occur in order for a new technology to be affordable to the mass market. One is you need economies of scale. The other is you need to iterate on the design. You need to go through a few versions.

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.

What most people know but don't realize they know is that the world is almost entirely solar-powered already. If the sun wasn't there, we'd be a frozen ice ball at three degrees Kelvin, and the sun powers the entire system of precipitation. The whole ecosystem is solar-powered.

If you get up in the morning and think the future is going to be better, it is a bright day. Otherwise, it’s not.

Government isn't that good at rapid advancement of technology. It tends to be better at funding basic research. To have things take off, you've got to have commercial companies do it.