I love nuclear. It does this radiation thing that's tricky. But they're good solutions. You know, it was interesting; recently, in Connecticut this natural gas plant blew up 11 guys. It just blew them up.

I'm a great believer that any tool that enhances communication has profound effects in terms of how people can learn from each other, and how they can achieve the kind of freedoms that they're interested in.

If African farmers can use improved seeds and better practices to grow more crops and get them to market, then millions of families can earn themselves a better living and a better life.

Success is a lousy teacher. It makes you think you know what you're doing.

In terms of fast food and deep understanding of the culture of fast food, I'm your man.

[Melinda Gates] is a lot of fun to work with. There's some of the people skills that she's better at and cares about more. It'd be a mistake not to think of her as very numerical and interested in the science. I enjoy, if I get ahead of her, say, understanding the immune system, then we can spend a few hours, where I'm going through how amazing it is and interesting, and how that affects our creating new products, so I've always had a partner.

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.