Large companies and government agencies have a lot to protect and therefore are not willing to take big risks. A large company taking a risk can threaten its stock price. A government agency taking a risk can threaten congressional investigation.

By 2020 the U.S. will be short 91,000 doctors. There's no way we can educate enough doctors to make up that shortfall, and other countries are far worse off.

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

My goal is there's a new generation of cars. And people can say we're living in a new day and age. A new day and age of cars that are beautiful, affordable, safe, and of course every car gets over 100 mpg, why wouldn't it.

The paradigm I want to change is that, you can have a car that is beautiful, manufacturable, affordable, safe, fast, and oh, by the way, does 100 mpg, or its energy equivalent. Why wouldn't you?

The best way to become a billionaire is to help a billion people.

We are racing toward a world of abundance, and we are going to be increasing the quality of life for everyone on this planet. The world's biggest problems are the world's biggest business opportunities.