The nuclear industry has this amazing record, even equipment from generations one and two. But nuclear mishaps tend to come in these big events - Chernobyl, Three Mile Island, and now Fukushima - so it's more visible.

I hope someday what people can do with their lives depends on their talents and how hard they are willing to work, rather than on where they happen to be born.

Legacy is a stupid thing! I don't want a legacy.

If you want to build a great company, get the hell out of Silicon Valley.

Kenya’s M-Pesa proves that when people are empowered, they will use digital tech to innovate on their own behalf.

So not only are we saving lives now, we're creating the incentive for the breakthroughs that over the next generation will mean we can take AIDS, malaria and TB and bring those numbers dramatically down.

In order to deal with all the medical cost demands and other challenges in the U.S., as we look to raise that revenue, the rich will have to pay slightly more. That's quite clear.