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.

Selling an electric sports car creates an opportunity to fundamentally change the way America drives.

That's my lesson for taking a vacation: vacation will kill you.

I don't think it's a good idea to plan to sell a company.

Engineering is the closest thing to magic that exists in the world.

I hate writing about personal stuff. I don't have a Facebook page. I don't use my Twitter account. I am familiar with both, but I don't use them.

If you're co-founder or CEO, you have to do all kinds of tasks you might not want to do. If you don't do your chores, the company won't succeed. No task is too menial.