My only extravagance in life is my sailboat. I'm bonkers about that, but other than that, I don't spend money on myself.

I think people care. If not, why do so many people spend money going on vacations to see architecture? They go to the Parthenon, to Chartres, to the Sydney Opera House. They go to Bilbao... Something compels them, and yet we live surrounded by everything but great architecture.

The game is if the orchestra can hear each other, they play better. If they play better and there's a tangible feeling between the orchestra and the audience, if they feel each other, the audience responds and the orchestra feels it.

Be extravagant, there's always a frugal tax payer to bail you

There are a lot of questions about whether architecture is art. The people who ask that think pretty tract houses are architecture. But that doesn't hold up.

Liquid architecture. It's like jazz - you improvise, you work together, you play off each other, you make something, they make something. And I think it's a way of - for me, it's a way of trying to understand the city, and what might happen in the city.