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.

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.

If you depend on a single industry, if you don't continuously upgrade it, if that industry is not producing real wealth, if it's simply shuffling paper from here to here in a very efficient manner sometimes, that's not enough and that's not where you begin to get the rest of your jobs.

We're beginning to enter an era where it gets really cheap and really fast to begin to do things like make fuels, and make textiles, and make extra teeth for ourselves. And we're beginning to think about how we regrow our bladders.

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.

Not only are we reading life code, we're beginning to copy it through cloning, and we're beginning to write, and in the measure that we do that, boy, you can build a lot of very powerful companies in a short period of time.

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