When you're a kid with artistic yearnings brought up in the Bronx, you don't get fed up too easily.

There will be a competition for the memorial. And then it can be developed with trees, with planting. It can become a very beautiful place protected from the streets, because it is below. And it can be something very moving and very private.

Only through acknowledgment of the erasure and void of Jewish life can the history of Berlin and Europe have a human future.

I don't get to sleep when I'm in New York. Really. I'm living on adrenaline.

In a strange way, architecture is really an unfinished thing, because even though the building is finished, it takes on a new life. It becomes part of a new dynamic: how people will occupy it, use it, think about it.

We live in a time of renaissance ... cities are coming back to life, after a long neglect.

We often judge cities by great public buildings. But we admire great cities because people live there in a beautiful way. You have to think about how each person will live there; you can't just think about abstract ideas.