I feel very strongly that SpaceX would not have been able to get started, nor would we have made the progress that we have, without the help of NASA.

Many things are improbable, only a few are impossible.

If anyone has a vested interest in space solar power, it would have to be me.

Boeing just took $20 billion and 10 years to improve the efficiency of their planes by 10 percent. That's pretty lame. I have a design in mind for a vertical liftoff supersonic jet that would be a really big improvement.

I think we are at the dawn of a new era in commercial space exploration.

The fuel cell is just a fundamentally inferior way of delivering electrical energy to an electric motor than batteries.

If anyone thinks they'd rather be in a different part of history, they're probably not a very good student of history. Life sucked in the old days. People knew very little, and you were likely to die at a young age of some horrible disease. You'd probably have no teeth by now. It would be particularly awful if you were a woman.