I did a butterfly show in Berlin, and we had a guy who's an expert on butterflies; who bred them all and who looks after them all in the space.

Picasso, Michelangelo, possibly, might be verging on genius, but I don't think a painter like Rembrandt is a genius.

But I think it's more that when you're young, you're invincible, you're immortal - or at least you think you are. The possibilities are limitless, you're inventing the future. Then you get older and suddenly you have a history. It's fixed. You can't change anything. I find that a bit disturbing, to be honest.

I definitely think about death. And every day your relationship with death changes. And every day I sort of feel like I know it more. I've always thought about it.

The goal in life is to be solid, whereas the way that life works is totally fluid, so you can never actually achieve that goal.

I've never learned to drive because I get lots of ideas when I'm a passenger in a car. I love to get in a car with a driver and just think and work things out.

Making art, good art, is always a struggle. It can make you happy when you pull it off. There's no better feeling. It's beauteous. But it's always about hard work and inspiration and sweat and good ideas.