The American attitude towards efficiency and execution should always underlie architecture.

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

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

Chinese buildings are like American buildings, with big footprints. People don't care about daylight or fresh air.

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.

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

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