To be in Brazil and see the work of Os Gêmeos or to be in England and see what Banksy is doing is pretty fascinating to me.

Street skating, which is what I grew up with, is completely free of rules. You can do anything. When I see a skater go by, I think, What is this person going to do here? It's the same with people who write, who make music, who draw, who make movies. Creative people tend to have all of those different avenues in them.

I didn't know how to run a business. I was a terrible gallerist, the worst in history, possibly.

Overall, I think any opportunity to expose people to art on a mass level - to have some kid in Oklahoma say to his mother, "I want to be an artist" - is a good thing.

Sometimes you do a sound installation, and the first day or two it is very exciting. Then you are hearing this every day for a month, and it becomes like a torture.

We use the term pop in the art world, as in Pop Art, but we forget that its root is popular - popular culture.

Dennis Hopper is one of the great American lives.