At the end, the key thing is you've got to live with yourself. That's the real test. Everything else is fleeting.

If you have things and if you are a perfectionist, which I am, you have to really tend to them, and it takes energy away from other things.

If you erased New York, I hate to say it, if you erased Frankfurt, even London, the world would not have changed.

Commodity exchanges have a lot of advantages. One, you are helping transparency. Two, they are not political. It's institutional building. It can survive any environment, in theory.

The biggest determinant in our lives is culture, where we are born, what the environment looks like. But the second biggest determinant is probably governance, good governance or a certain kind of governance makes a huge difference in our lives.

I felt I was owned by possessions.

Brunch is boring, but that's part of the charm of it.