The problem with art is, it's not like the game of golf where you put the ball in the hole. There's no umpire; there's no judge. There are no rules. It's one of its problems. But it's also one of the great things about art. It becomes a question of what lasts.

The art world is a bit smaller than the music world, and the music world is a bit smaller than the cinema world. But the art world is pretty tight even though the biggest thing that's happened to it is the auctions, which are the only reason people on the outside know anything about it.

The way you would know if someone is famous in the art world is that you would ask your mother. My mother knows who Picasso was. She knows who Warhol was.

I wish I had met [Francesca] Woodman forty years ago. It would have been great to live with her for a year. She didn't save anything. She played the camera like a new guitar. She murdered herself out taking pictures.

A lot of it's experimental, spontaneous. It's about knocking about in the studio and bumping into things.

The problem with art is, it's not like the game of golf where you put the ball in the hole. There's no umpire; there's no judge. There are no rules. It's one of its problems. But it's also one of the great things about art. It becomes a question of what lasts.

It's interesting how people who were once fairly radical can become, later in life, kind of conservative and not just in terms of politics - how if you're an artist, you can start out being somewhat avant-garde and then end up doing landscapes. Sometimes the opposite can happen, but it's usually the other way around.