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

Imagine a world of nine billion people with clean water, nutritious food, affordable housing, personalized education, top-tier medical care, and nonpolluting, ubiquitous energy. Building this better world is humanity's grandest challenge.

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

NASA calls stuff nominal instead of phenomenal, like it really is. So I have given up that there is going to be a balance and NASA is going to do certain things and we are finally in a state of existence where small groups of individuals can do extraordinary things, funded by single people.

You have to ask yourself the question, do you have the smartest people in the world working for your company? And if you do, you're lucky. But if you don't, put up the incentive. And have someone who is absolutely brilliant who's a 22-year old in India who says what about this way? And who revolutionizes the way you do business.

If you stop and you think about everything we hold of value on this planet, metal, minerals, energy, real estate, the things that nations fight wars over. These things are in near infinite quantities out there.

Without risks, there can't be breakthroughs.