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.

And, yes, I love the process of building.

The truth is, the way you write music, it's a code. It has to be very precise. It's scientific, but ultimately it also depends on interpretation. It's very similar to how you grow a master plan: it's an objective document, but at the same time it is a lyrical document which allows through interpretation to become a harmonious work of art.

Architecture is not just for the moment, it is not just for the next fashion magazine.

I'm not Candide, nor Dr Pangloss, but we know that faith moves mountains.

Don't look at the superficial success, at the short-term success. Look at the deep spiritual questions that architecture has to answer. Who do you build for? Where? What should you build?

Larry wanted us to reposition the tower. We wouldn't, and won't. He's been holding back our fees. We want to get paid. And that's it. It'll get solved and we'll carry on with planning Ground Zero.