If you had a front row seat at the Renaissance, you would have seen Machiavelli come by plotting, and you would have seen murders in the streets, you would have seen violence, you have seen people burning books and it would have looked like the world was a horrible place, but that's where all these incredible stuff we're still living with comes out of.

It's important to begin to even consider whether countries can become something that looks very different because people tend to take their countries for granted.

The thing that's really important to understand is, the last thing an empire traditionally does is drive itself into bankruptcy. You've seen that with the great empires.

The housing crisis may not be the worst thing that's happened to New York City because it was becoming impossible for some of the young doctors, for some of the young artists, for some of the people that make the city so special to be able to live here.

When you go and you tour Europe, or you go and you tour Egypt, or you go and you tour Iraq, or you go and you tour Afghanistan, or India, or whatever. Governments get to a point where they're illegitimate because people just give up on them as far as being leaders who have their country's interests at heart.

Ask your friends how many stars will be in the U.S. flag in 50 years? And the reason why that's a reasonable question is because there has never been a President of the United States who's been buried under the same flag he was born under.

Until African-Americans and Hispanics can get serious, not just about area studies, which are important, but also about science and technology, they're not going to generate that wealth and that job within those communities. And that has absolutely devastating consequences for the places where people live, for the jobs and for the wealth.