I was in Taiwan recently and was completely amazed by the density of population. It makes New York look like no one is out on the streets.

One of the real challenges, since we're working in so many places - Mexico, Japan, Brazil - is understanding variations, both in terms of culture and context.

I think white is the most wonderful color of all, because within it one can find every color of the rainbow.

We learn a lot, and each museum ends up having its own distinctive character and personality.

Winning the competition for Frankfurt's Museum of Applied Art in '79 opened the door to a number of projects in Europe, especially as we were invited to join many design competitions.

Each museum is different - the collection is different, the context is different, the relationship between the art and architecture is different.

The world has changed a great deal from when I began 50 years ago. I was very fortunate. There were a lot of opportunities that perhaps don't exist today.