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.

The future of humanity is going to bifurcate in two directions: Either it's going to become multiplanetary, or it's going to remain confined to one planet and eventually there's going to be an extinction event.

When something is important enough, you do it even if the odds are not in your favor.

The only reason I was able to accomplish things is the great people willing to work with me. A company is a group of people organized to create a product or service, and that product or service is only as good as the people in the company - and how excited they are about creating it. I do want to recognize a ton of super-talented people. Without them, I would have accomplished very little. I just happen to be the face of the companies.

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

My family fears that the Russians will assassinate me.