The secret to the city is integration. Every area of the city should combine work, leisure and culture. Separate these functions and parts of the city die.

Every city has to deal with the problem of cars and public transport.

A city grows like an organism. It is a structure of living and working together a mix of functions.

If you want creativity, take a zero off your budget. If you want sustainability, take off two zeros.

I always run into these Ph.D.s. They write and write and write about sustainable development. Then these guys ask me, 'But, how do you do it?' They are scared to death to do anything.

A city is like a family portrait - you don't tear it up if you don't like your uncle's nose.

A lot of people assume that the expensive ideas are the most effective ones, but that is simply not true.