The United States is definitely ahead in culture of innovation. If someone wants to accomplish great things, there is no better place than the U.S.

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

The United States is a beautiful place, you know?

The United States is a beautiful place, you know?

I've actually made a prediction that within 30 years a majority of new cars made in the United States will be electric. And I don't mean hybrid, I mean fully electric.

If we drive down the cost of transportation in space, we can do great things.