Books are solitudes in which we meet.

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 . . . is how the body measures itself against the earth.

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.

Walking allows us to be in our bodies and in the world without being made busy by them.

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.

They are all beasts of burden in a sense, ' Thoreau once remarked of animals, 'made to carry some portion of our thoughts.' Animals are the old language of the imagination; one of the ten thousand tragedies of their disappearance would be a silencing of this speech.