We're changing the world with technology.

One of the statistics that always amazes me is the approval of the Chinese government, not elected, is over 80 percent. The approval of the U.S. government, fully elected, is 19 percent. Well, we elected these people and they didn't elect those people. Isn't it supposed to be different? Aren't we supposed to like the people that we elected?

If you say to people that there's less violence today than in the past, they would be stunned to hear that. But it's the truth, even though we have awful things happening in Syria or Sudan.

The Chinese are clearly inculcating the idea that science is exciting and important, and that's why they, as a whole-they're graduating four times as many engineers as we are, and that's just happened over the last 20 years.

In ninth grade, I came up with a new form of rebellion. I hadn't been getting good grades, but I decided to get all A's without taking a book home. I didn't go to math class, because I knew enough and had read ahead, and I placed within the top 10 people in the nation on an aptitude exam.

There's nobody getting rich writing software that I know of.

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