That's the part where the governments have a unique role, and then when it progresses well enough, then existing companies or new startup companies should take it. In the $3 trillion a year energy market, the rewards will be quite fantastic.

We're still missing about a dozen vaccines that will make a huge difference. For adults, we've got HIV and TB are still huge; for kids malaria is still killing a half million kids a year out of that 6 million. We probably need some vaccines, but we need a little more data to make sure we're getting the vaccines that will save the most lives.

I don't like typing messages on my phone. Some people get used to it.

If you get health, then you have opportunity for literacy. Health first, then literacy. Once you have literacy, then you have a chance to bring in the new tools of communication. Let people reach out and have access to the latest advances.

If you're taking care of your family and society and are comfortable you can start to think about helping those most in need globally. That's how we became engaged in those things.

Energy innovation is not a nationalistic game.

We all know that there are these exemplars who can take the toughest students, and they'll teach them two-and-a-half years of math in a single year.