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

America has always imported history.

Transparency is not the same as looking straight through a building: it's not just a physical idea, it's also an intellectual one.

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

It's my goal to make a building as immaterial as possible. Architecture is a very material thing. It takes a lot of resources, so why not eliminate what you don't need as long as you're able to achieve the same result?

I wanted to improve the suburban office building; to create a great urban space in a suburban environment with all that implies about interaction, collaboration and creativity.

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!