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.

The Spiral Gallery may happen, too. It is not dependent on government funding.

Cities are the greatest creations of humanity.

And of course I like Berlin a lot. It's such an interesting city

I think there is a new awareness in this 21st century that design is as important to where and how we live as it is for museums, concert halls and civic buildings.

Be innovative. Don't listen to the tried and tested wisdom. Take a risk!

What is a habit? It’s just a shackle for ourselves.