Critics are entitled to have an opinion, but how can they judge how comfortable a building is? No critic is smart enough to judge how a building will perform over time.

A building is hard to judge. It takes many years to find out whether it works. It's not as simple as asking the people in the office whether they like it.

I find if my body feels well and I exercise regularly, I think better, work better and feel better.

German and English firms operate internationally, while French firms do not. The only place where they all have work is in China. Anybody can sell himself in China!

Sometimes I have to accept a job I don't really want. Hardly anybody comes up to you with a commission; it's all competitions these days.

Higher ceilings allow the use indirect lighting, which is much healthier and reduces glare.

When I think of some of my earlier work, it really seems a fortunate coincidence that I succeeded.