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?

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

The architecture profession has lost a lot of its integrity, especially in the USA. The general architect here has no scruples, no ambitions.

You'd never think of taking a cab if you had to walk a mile down Chicago's Michigan Avenue. But in a bad city you take a cab just to go around the corner.

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.

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

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