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.

Really, the only thing that makes sense is to strive for greater collective enlightenment.

It was obvious to me that we could never colonize Mars without reusability, any more than America would have been colonized if they had to burn the ships after every trip.

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

No I don't ever give up. I would have to be dead or completely incapacitated

I always invest my own money in the companies that I create. I don't believe in the whole thing of just using other people's money. I don't think that's right. I'm not going to ask other people to invest in something if I'm not prepared to do so myself.

Physics is a good framework for thinking. ... Boil things down to their fundamental truths and reason up from there.