Every day I'm learning something new from the practice. It's very rewarding.

By participating in the society we live in, we understand our conditions and the way we relate to the world.

We grew up in a very material-lacking socialist society, but today China is a capitalist society. It's very materialistic. It's full of desire and luxury goods.

This week, the world gathers in Beijing for the 2008 Olympic games. This is the extraordinary moment China has been dreaming of for 100 years. People have been longing for this moment, because it symbolises a turning point in China's relationship with the outside world.

Your own acts tell the world who you are and what kind of society you think it should be.

Everyone thinks the Chinese government selected me. Never ever. I was selected by Herzog and de Meuron.

I suddenly realized I was getting ten opening notes a day on my mobile phone, more than when I was in New York. But this is China, where nothing is surprising.