In her novel Regeneration, Pat Barker writes of a doctor who 'knew only too well how often the early stages of change or cure may mimic deterioration. Cut a chrysalis open, and you will find a rotting caterpillar. What you will never find is that mythical creature, half caterpillar, half butterfly, a fit emblem of the human soul, for those whose cast of mind leads them to seek such emblems. No, the process of transformation consists almost entirely of decay.

Walking itself is the intentional act closest to the unwilled rhythms of the body, to breathing and the beating of the heart. It strikes a delicate balance between working and idling, being and doing. It is a bodily labor that produces nothing but thoughts, experiences, arrivals.

Musing takes place in a kind of meadowlands of the imagination, a part of the imagination that has not yet been plowed, developed, or put to any immediately practical use…time spent there is not work time, yet without that time the mind becomes sterile, dull, domesticated. The fight for free space — for wilderness and public space — must be accompanied by a fight for free time to spend wandering in that space.

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 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.

We are moving into a world of unaccountable and secretive corporations that manage all our communications and work hand in hand with governments to make us visible to them. Our privacy is being strip-mined and hoarded.

...the gym is a kind of wildlife preserve for bodily exertion. A preserve protects species whose habitat is vanishing elsewhere, and the gym (and home gym) accommodates the survival of bodies after the abandonment of the original sites of bodily exertion.