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.

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

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

There are more people living in Lower Manhattan now than before the terrorist attacks. That's faith for you. There's such a strong spirit here.

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

Call Berlin. Drop everything we're doing. I have a complete vision of what should be.

And then, build a bustling wonderful city of the 21st century, with a restoration of a spectacular skyline, which Manhattan, of course, needs. So, that is really the design as a whole.