When man learns to understand and control his own behavior as well as he is learning to understand and control the behavior of crop plants and domestic animals, he may be justified in believing that he has become civilized.

Upper classes are a nation's past; the middle class is its future.

A building has integrity just like a man. And just as seldom.

Wealth is the product of man's capacity to think.

I have mixed feelings about those sorts of things. When I see it done by interesting young people, I think it's very valid. But when established photographers, people in their forties, copy me and get a lot of money, well, I find that to be very stupid.

During my 30 years on Wall Street, taxes on 'unearned income' have bounced up and down with regularity, and I've never detected any change in the appetite for hard work and accumulating wealth on the part of myself or any of my fellow capitalists.

I don't get paid for what I do in public places. So I invest the money I earn in galleries back into doing the stuff I passionately want to do on the street.

After the global financial crisis of 2008, populist uprisings had sprouted across Europe. Putin and his strategists sensed the beginnings of a larger uprising that could upend the Continent and make life uncomfortable for his geostrategic competitors.