For all the supporters of Tesla over the years, and it's been several years now and there have been some very tough times, I'd just like to say thank you very much. I deeply appreciate the support, particularly through the darkest times.

The extension of life beyond Earth is the most important thing we can do as a species.

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?'

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

I'm reasonably optimistic about the future, especially the future of the United States - for the century, at least.

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.

Many things are improbable, only a few are impossible.