It's not fear that keeps me up. I mean, every generation has thought, this is the worst generation; the world's going to hell in a hand basket. The reality is, people are living longer, and they're living better.

There's a creativity, a power, an energy, an ability to do things unlike any other period in history. It's a little bit like sitting in the Renaissance, but multiplied a thousand-fold.

Anytime you bring a really powerful new technology to market there are multiple implications. You start changing the relative position of countries.

During a period of time when Italy is talking about splitting northern and southern Italy, France is talking about splitting with Corsica and Normandy, England is talking about splitting with Wales and Scotland and England. And it goes on and on and on.

There are few jobs in the world that are more fun than being the head of Urban Development for a great and thriving city.

When you brought the digital revolution in, all of a sudden, you could build a country like Singapore and take that country, which had the income per capita of Ghana in 1965, and make it something similar to the United States in one generation.

The definition of who's literate and who's not keeps changing. So, in Neanderthal times, if you painted on a cave wall, that was enough to transmit how you hunt, how you eat, how you cook, how you dress, and we can read about that.