What is grit? Grit is refusing to give up. It's persistence. It's making your own luck.

If you give people unlimited time and money, they'll do things the same old way. But if they have to achieve the goal in a brief time, they'll either give up or try something new.

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.

Humans are the worst control system to put in front of a car.

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.

In the space business, space had gotten very much to be the aerospace industry. This is something that governments only do and it's where the Boeings and the Lockheed's and the Northrop's and so forth. And there's no way these small companies could do it.

It's sad that the U.S. government doesn't fund risky research anymore.