I don't take drugs. I never did. All the feelings that drugs are supposed to produce in you - confidence or energy - I can produce naturally.
Nowadays New-York is not the exciting place it used to be. It still has great energy; I still put my finger in the socket. But it doesn't feel alive, cracking with that synergy between the art world and music world and fashion world that was happening in the 80s. A lot of people died.
In some respects I will never die. Because art is immortal. What we leave behind and what we create - the energy that we put out into the world is eternal.
I pay attention to what's going on around me. I'm always looking for new energy, new talent, new voices. When you do that I think it's easier to come up with fresh ideas. It's not that my career has been based on surprising people, but it's been about challenging myself - to constantly do new things that are going to broaden my own mind and in the process, hopefully, connect with other people.
I shouldn't have stayed so long away. Every time I come here, I get so supercharged with energy. I truly believe that Israel is the energy centre of the world. And I also believe that if we can all live together in harmony in this place, then we can live in peace all over the world.
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