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.

Borlaug would be one figure that I think fundamentally changed India, China, all of Southeast Asia, and gave them the time to be able to build on other things.

There has to be some more regulation. But our kids have this incredible buffet of they can work in genomics, they can work in pre-omics, or they can work in robotics, or they can work in this, or they can work in that. And within the next five years there will be entirely new industries that come out of nowhere that kids are working in that would have been inconceivable when they started college. Not when we started college.

Try to live without something digital - without digital code for about two hours, very hard to do if you're awake.

It's not completely inconceivable that someday you'll be able to download your own memories.

There are certain zip codes that generate a disproportionate share of patents, of startups, of wealth, of jobs. And it's really important if other parts of the country are going to want to create these tech centers.

China has, all of a sudden, found a way of putting the best of the best to work to build an economy that is growing at 10% to 12% per year, and now India is following. And those changes and how quickly they've come out of this mess, how little debt they have, is really important.