The subject of walking is, in some sense, about how we invest universal acts with particular meanings. Like eating or breathing, it can be invested with wildly different cultural meanings, from the erotic to the spiritual, from the revolutionary to the artistic.

The subject of walking is, in some sense, about how we invest universal acts with particular meanings. Like eating or breathing, it can be invested with wildly different cultural meanings, from the erotic to the spiritual, from the revolutionary to the artistic.

A restlessness has seized hold of many of us, a sense that we should be doing something else, no matter what we are doing, or doing at least two things at once, or going to check some other medium. It's an anxiety about keeping up, about not being left out or getting behind.

You write your books. You scatter your seeds. Rats might eat them, or they might rot. In California, some seeds lie dormant for decades because they only germinate after fire, and sometimes the burned landscape blooms most lavishly.

Perhaps the central question about [Eliot] Porter's work is about the relationship between science, aesthetics, and environmental politics. His brother, the painter and critic Fairfield Porter, wrote in a 1960 review of [Porter's] colour photographs: 'There is no subject and background, every corner is alive,' and this suggests what an ecological aesthetic might look like.

Never to get lost is not to live, not to know how to get lost brings you to destruction.

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.