The biggest mistake, in general, I've made, is to put too much of a weighting on someone's talent and not enough on their personality. And I've made that mistake several times. I think it actually matters whether somebody has a good heart, it really does. I've made the mistake of thinking that it's sometimes just about the brain.

I'm glad to see that BMW is bringing an electric car to market. That's cool.

I think long term you can see Tesla establishing factories in Europe, in other parts of the U.S. and in Asia.

When people really understand it's do or die [and] if we work hard and pull through, it's going to be a great outcome; people will give it everything they've got.

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?'

It's just mind-blowingly awesome. I apologize, and I wish I was more articulate, but it's hard to be articulate when your mind's blown-but in a very good way.

Entrepreneurship is like eating glass and walking on hot coals at the same time