I had a very difficult relationship with my mother. She used to wake me up in the middle of the night if I wasn't sleeping straight and was messing up the sheets. Now when I stay in hotels I sleep so straight they don't even think I've used the bed.

Americans aren't accepting of black humor, it's terrible.

In the performer's body, you don't care how you look. It doesn't matter if you're old, fat, beautiful, or ugly. It doesn't change anything. The only thing is your charisma and how you express your idea.

From the very early stage when I started doing performance art in the '70s, the general attitude - not just me, but also my colleagues - was that there should not be any documentation, that the performance itself is artwork and there should be no documentation.

The most revolutionary ideas are not sellable, but only mind-changing.

If you look at the lives of artists, sitting in nature, painting, having the freedom. I think it's over. I think we're living in such a difficult moment of human development. Artists have more responsibility than ever before.

Cancer is an emotional disease.