The best teacher is very interactive.

Two out of every five people on Earth today owe their lives to the higher crop outputs that fertilizer has made possible.

The most straightforward path would be if we could bring the cost of solar electric and wind down by another factor of say, three, and then have some miraculous storage solution, so that not only over the 24-hour day but over long periods of time where the wind doesn't blow, you have reliable energy. That's a path. But energy storage is hard. That's not a guaranteed path.

I believe in innovation and that the way you get innovation is you fund research and you learn the basic facts.

You don't have to own a TV network to go out and do a cool show.

K to 12 is partly about babysitting the kids so the parents can do other things.

I would counsel people to go to college, because it's one of the best times in your life in terms of who you meet and develop a broad set of intellectual skills.