Those of us of a certain age grew up expecting that by now we would have Rosie the Robot from 'The Jetsons' in our house. And all we've got is a Roomba.

Real estate prices are way out of whack with what people earn.

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.

Cities are magical things. You know the energy in them. You have to walk the streets in any borough here and you can see between what was in this city in the 1970's and where it is today and how much more energy there is and how much more just sheer.

One of the lessons that I hope people will take out is the extreme dependence simply on the financial sector is really dangerous.

We traditionally in this world didn't have enough calories to feed all of us and had huge famines, not just in Africa, but had them across India, across Southeast Asia, and across China. Because of Borlaug's work at Simit and because of this we have huge excess, until very recently, in agricultural produce and the prices went through the floor.

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.