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.

In my teens I was interested in photography. Then I decided that I should learn something about the world of commerce. And I came to America at age 17 to escape Europe. I went to NYU - nothing better than being 17 years old and coming to New York.

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

Most countries in Africa have the capacity to be great agricultural producers, but they do only subsistence production. So a family will produce for themselves and nothing more. Why? Because of the systems: The markets are not there to go beyond.

I don't have a house, and I don't have a lot of time for socializing, so every year I have a party for all of my friends.

Other people might have family - three kids or five houses. In my case, that doesn't exist. I'm going to give everything away. Everything has been transferred to charitable trusts. There is no question about that. The question is where, not if.