My childhood dreams were focused on being part of the effort to make humanity a multiplanetary species.

Go and try to start your own government in the United States today and you'll be squashed very quickly.

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

The meek shall inherit the earth. The rest of us are going to the stars.

I get demoralized by organizations that start off with a mission and pull back when they find it's risky.

The thing about frontiers, it allows the individuals who are best, whether they're men or women or minorities or whatever, to step to the top. So in traditional societies, old world societies, in the United Kingdom if you would; if you were born into the right stratus, the right class, you had the ability to succeed.

The price to generate a megawatt or a gigawatt of energy is coming down year after year. We're learning how to print it, make it more efficient.