Cities are the greatest creations of humanity.

It's about how to bring together the seemingly contradictory aspects of the memorial, which is about a tragedy and how it changed the world, but also about creating a vital and beautiful city of the 21st century.

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.

We all came to see that site. We all walked around it. It is already sacred.

I studied architecture in New York. So, really I was very moved, like everyone else, to try to contribute something that has that resonance and profundity of it means to all of us.

It's a project that touched me as an immigrant and as a New Yorker.

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.

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

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

Well, I didn't want to have the reminder sort of in the sky, so that people would forever look at it. I wanted to have - really to create a city from the bottom up. From that foundation, which held, from the democratic power of what the site really is.

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

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.

And it is very moving because one has to see the site not as just another site of development but it is a very special site. It is a site that souls and hearts of all Americans.

It's a fantastic responsibility and a wonderful moment.

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.

And you have to remember that I came to America as an immigrant. You know, on a ship, through the Statue of Liberty. And I saw that skyline, not just as a representation of steel and concrete and glass, but as really the substance of the American Dream.

We will work with everybody for the good of New York.

Only through acknowledgment of the erasure and void of Jewish life can the history of Berlin and Europe have a human future.

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

To provide meaningful architecture is not to parody history but to articulate it.

Cities are the greatest creations of humanity.

Winning a competition in architecture is a ticket to oblivion. It's just an idea. Ninety-nine per cent never get built.

When you're a kid with artistic yearnings brought up in the Bronx, you don't get fed up too easily.

Life it is not just a series of calculations and a sum total of statistics, it's about experience, it's about participation, it is something more complex and more interesting than what is obvious.

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.

Well, I think one doesn't really have to invent this memorial space, because it is already there. And it is speaking with a voice and, you know, 4 million of us came to see the site.

The foreign press seems obsessed with the Freedom Tower, as if it was the only thing going on here. In fact, we're trying to keep a huge juggling act in balance, with the tower as just one of the many balls in play.

Architecture is not based on concrete and steel, and the elements of the soil. It's based on wonder.

We live in a time of renaissance ... cities are coming back to life, after a long neglect.

There are certain romances that belong in certain cities, in a certain atmosphere, in a certain time.

And I think I find, I know a lot of people around, in different cities, and so it's not - it might sound strange - but it's not that hard to say good-bye, because I know there's other people where I'm going. I can sort of fit in in a lot of places.

In addition to a timeline, I have proposed that U.S. troops be removed from front line combat positions in Iraqi cities and towns, turning over daily security patrols, interactions with citizens, and any offensive security actions to the Iraqis themselves.

We ought to be doing that with decent standard housing but if we have people who are absolutely on the streets in this case, I think it makes sense that tent cities are preferred to not having tent cities.

Our fifty principal cities contain 39.3 per cent of our entire German population, and 45.8 per cent of the Irish. Our ten larger cities only nine per cent of the entire population, but 23 per cent of the foreign.

Divine Nature gave the fields, human art built the cities.

Unlike most major American cities, Honolulu is geographically insulated from the rest of the country. When disaster strikes we cannot call on neighboring states for assistance.

I'm always going to get more of a charge playing Chicago than I will Duluth or some place like that. Just because of the history and the people there are way more knowledgeable than a lot of other cities. It's an amazing music scene with some great bands and great musicians.

We do not look in our great cities for our best morality.

Have you ever, on a cloudless night, looked down from a passing aircraft flying over Canada? Endless, glowing strings of cities, towns, and homesteads. Stretching on and on, one province to the next. With only the stars in the distance.

Australia as a nation, as a set of cities and some regional centres, that project died a death and we didn't get it up, but I still think there's merit in that.

Burn down your cities and leave our farms, and your cities will spring up again as if by magic; but destroy our farms and the grass will grow in the streets of every city in the country.

The point of cities is multiplicity of choice.

I can set up shop anywhere. I've got my oils, I've got my yoga mat and I'm good to go. I must know good yoga classes in about 25 cities on this planet.

What I'm going to be given I gather is not the key to the city, which in many cities is the case. It's the freedom medal, and for me freedom has always been associated traditionally within the city.

It is we the workers who built these palaces and cities here in Spain and in America and everywhere. We, the workers, can build others to take their place. And better ones! We are not in the least afraid of ruins.

An architect should live as little in cities as a painter. Send him to our hills, and let him study there what nature understands by a buttress, and what by a dome.

There isn't much discussion of ruling class in America even in Boston, probably one of the most class-conscious cities in the country?

After spending three years of my life looking into this, I am more convinced than ever that the U.S. government's responsibility for the drug problems in South Central Los Angeles and other inner cities is greater than I ever wrote in the newspaper.

When we get piled upon one another in large cities, as in Europe, we shall become as corrupt as Europe.