Never turn down an adventure without a really good reason.

In great cities, spaces as well as places are designed and built: walking, witnessing, being in public, are as much part of the design and purpose as is being inside to eat, sleep, make shoes or love or music. The word citizen has to do with cities, and the ideal city is organized around citizenship -- around participation in public life.

Perhaps it’s that you can’t go back in time, but you can return to the scenes of a love, of a crime, of happiness, and of a fatal decision; the places are what remain, are what you can possess, are what is immortal. They become the tangible landscape of memory, the places that made you, and in some way you too become them. They are what you can possess and in the end what possesses you.

Walking articulates both physical and mental freedom.

The fight for free space-for wilderness and for public space-must be accompanied by a fight for free time to spend wandering in that space. Otherwise the individual imagination will be bulldozed over for the chain-store outlets of consumer appetite, true-crime titillations, and celebrity crises.

The new architecture and urban design of segregation could be called Calvinist: they reflect a desire to live in a world of predestination rather than chance, to strip the world of its wide-open possibilities and replace them with freedom of choice in the marketplace.

The art is not one of forgetting but letting go. And when everything else is gone, you can be rich in loss.