We live in a world bathed in 5,000 times more energy than we consume as a species in the year, in the form of solar energy.

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.

The first trillionaire can be made in space.

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.

If the risk is fully aligned with your purpose and mission, then it's worth considering.

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.

One of my goals is to reinvent philanthropy.