I’ve always liked the feeling of traveling light; there is something in me that wants to feel I could leave wherever I am, at any time, without any effort. The idea of being weighed down made me uneasy, as if I lived on the surface of a frozen lake and each new trapping of domestic life - a pot, a chair, a lamp - threatened to be the thing that sent me through the ice.

To hike out alone in the desert; to sleep on the valley floor on a night with no moon, in the pitch black, just listening to the boom of silence: you can't imagine what that's like.

He held my hand and told me a story about when he was six and threw a rock at a kid's head who was bullying his brother, and how after that no one had bothered either of them again. 'You have to stick up for yourself,' he told me. 'But it's bad to throw rocks,' I said. 'I know. You're smarter than me. You'll find something better than rocks.

In the beginning it was always the same. But. I kept trying. Then one day I accidentally moved as the shutter clicked. A shadow appeared. The next time I saw the outline of my face, and a few weeks later my face itself. It was the opposite of disappearing.

To walk into a modern-day bookstore is a little bit like studying a single photograph out of the infinite number of photographs that cold be taken of the world: It offers the reader a frame.

For me, the most powerful way to write about something is through the absence of it. Rather than writing about what it was to become a new mother, I wrote, for example, a father facing death and addressing his estranged son about the regrets of his relationship.

And so he did the hardest thing he’d ever done in his life: he picked up his hat and walked away.