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

A good engineer thinks in reverse and asks himself about the stylistic consequences of the components and systems he proposes.

We prefer synthetic rather than natural materials. Natural products are almost too valuable. Wood is much harder to produce than metal. And metal is recyclable, while wood isn't.

In Europe, architects consider themselves artists. They think they're special when they win a competition.

I strive for an architecture from which nothing can be taken away.

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.

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!