A Masai warrior on a cellphone in the middle of Kenya has better mobile comm than President Reagan did 25 years ago.

If someone is always to blame, if every time something goes wrong someone has to be punished, people quickly stop taking risks. Without risks, there can't be breakthroughs.

Life on Earth is at an ever-increasing risk of being wiped out by disaster. ... I think the human race doesn't have a future if it doesn't go into space. I therefore want to encourage public interest in space.

If you believe that the developing world deserves the same standards of living that we do in the developed world, then to achieve that, they need resources. They need the metals and the minerals to build the industries and the buildings and so forth, and the energy.

Today, a group of 20 individuals empowered by the exponential growing technologies of AI and robotics and computers and networks and eventually nanotechnology can do what only nation states could have done before.

What opened up the American West was the fact that you owned the real estate. You owned the gold mines, the oil wells. The creation of these, back then, million dollar industries drove the railroads and eventually the airlines to provide this kind of transportation.

The idea of a young thin woman who weighs 100 pounds driving herself around in a 4,000 pound SUV is laughable.