Super-ambitious goals tend to be unifying and energizing to people; but only if they believe there's a chance of success.

I think people are dreaming big because they have the tools to dream big. I hope that people are dreaming big because it makes them feel good about their lives.

Mining asteroids will ultimately benefit humanity on and off the Earth in a multitude of ways.

Super-ambitious goals tend to be unifying and energizing to people; but only if they believe there's a chance of success.

Eight billion people will have Internet access by 2020.

You could not legally put a human and fly them into space. In fact, you couldn't bring a spaceship back. All those spaceships we were sending commercially into space were one way. You sort of like, got rid of them. And most passengers, who go up, do want to come back down.

Research shows that the wealthier, more educated, and healthier a nation, the less violence and civil unrest among its populace, and the less likely that unrest will spread across its borders.