I think Chinese leadership is trying to tell the world they have another set of logic or reasoning or values which are different from yours. Of course, I don't think they believe that. It's just an argument that's made when you can't confront the truth and facts. They really want to maintain power.

The 'Bird's Nest' National Stadium, which I helped to conceive, is designed to embody the Olympic spirit of 'fair competition.' It tells people that freedom is possible but needs fairness, courage and strength.

The Olympic Games are highly commercialised. They purport to follow the traditions of an ancient athletics competition, but today it is the commercial aspect that is most apparent. I have seen how, through sport, cities and corporations compete against each other for financial gain.

To survive, China had to open up to the West. It could not survive otherwise. This was after many millions have died of hunger in a country that was like North Korea is today. Once we became part of global competition, we had to agree to some rules. It's painful, but we had to. Otherwise there was no way to survive.

I think it's harder than ever to be an artist. I think that you end up, especially as a middle-aged person, you pay such big consequences for saying, 'I'm just going to devote my life to making art,' or 'I'm going to devote my life to writing novels.' You end up with no resources.

Visualization - it's been huge for me. Your mind doesn't know the difference between imagination and reality. You can't always practice perfectly - my fingers will play a little bit out of tune, or my dance moves might not be as sharp - but in my mind, I can practice perfectly.

Contemporary art will never achieve the audience of football, pop music, or television, so I think we should stop comparing its possible area of influence to that of big mass-media events.

I think of myself as a little kid, and I had a wild imagination, but it was something that was encouraged and supported, which helped steer me into the arts.