When people really understand it's do or die [and] if we work hard and pull through, it's going to be a great outcome; people will give it everything they've got.

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

I'd like to dial it back 5% or 10% and try to have a vacation that's not just e-mail with a view.

Some people don't like change, but you need to embrace change if the alternative is disaster.

If humanity doesn't land on Mars in my lifetime, I would be very disappointed.

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

And we need things in life that are exciting and inspiring. It can't just be about solving some awful problem. There have to be reasons to get up in the morning.