As lower-cost phones begin to penetrate, they'll become the educator and physician everywhere on the planet.

I became very much, if I have to describe myself, I'm sort of a Libertarian Capitalist, and I was looking for, what's the economic engine that's going to drive us into space?

One of my goals is to reinvent philanthropy.

Companies have too many experts who block innovation. True innovation really comes from perpendicular thinking.

We are not going to stop here on planet Earth. We're going to move out to other planetary bodies.

We have these 100 mms delays, you know, our attention is on our PDA, we're always in a rush. We drive around in these 4,000 pound metal wombs, these 4,000 pound containment systems to protect us from these 6,000 pound cars from smacking us.

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.