We have to give our opinion, we have to say something, or we are a part of it. As an artist I am forced to say something.

China hasn't only existed for one day. Now, the whole nation has become richer and it's become a problem. The problem is universal. The factor is big. Everybody has to rethink the balance of the world and the whole landscape.

I don't like China. Even today, I still feel I have no emotional relations with this place.

I call on people to be 'obsessed citizens,' forever questioning and asking for accountability. That's the only chance we have today of a healthy and happy life.

Many people are going to use [Beijing National Stadium], which makes it more meaningful. If we don't design it, somebody else has to design it.

The Internet has established a public sphere and developed a pressure which the government can no longer ignore.

I spend a lot of time talking to journalists.