It was a book [George Packer written on our presence in Nigeria] that was killed by the response of other people. Which sounds quite cowardly, perhaps, but it was the first manifestation of what is currently a really big issue: how political correctness defines the limits of what you can do. In that sense, it was super-exciting and maybe the most magical project we did, but at the same time fraught with mixed feelings.

Architecture is a rare collective profession: it's always exercised by groups. There is an essential modesty, which is a complete contradiction to the notion of a star.

All important architecture of the last century was strongly influenced by political systems. Look at the Soviet system, with its constructivism and Stalinism, Weimer with its Modern style, Mussolini and, of course, the Nazis and Albert Speer's colossal structures. Today's architecture is subservient to the market and its terms. The market has supplanted ideology. Architecture has turned into a spectacle. It has to package itself and no longer has significance as anything but a landmark.

Find optimism in the inevitable.

The institutions are working better now, the banks are much more functional. At this time, 1997, there were no mobile phones! It's a whole different thing now with mobile phones: technology has created a form of regulation, because people can actually talk to each other a lot more.

Let's put it this way: One can be happy or unhappy in a building. But some buildings make us more depressed than others.

Journalists seem mostly interested in what brand of shoes I wear.