A MOB is not, as is so often said, mindless. A MOB is single-minded.

It's an Obama book, certainly. I was delighted, and astonished, to hear recently that he was reading it. It's a book about a new kind of American reality, one that takes diversity for granted. It doesn't celebrate diversity, actually, it just says: this is how we live now.

Note-taking is important to me: a week's worth of reading notes (or "thoughts I had in the shower" notes) is cumulatively more interesting than anything I might be able to come up with on a single given day.

The content of Saul Leiter's photographs arrives on a sort of delay: it takes a moment after the first glance to know what the picture is about. You don't so much see the image as let it dissolve into your consciousness, like a tablet in a glass of water.

Not in this specific form. But all great cities are inhabited by ghosts. A book of this kind could probably be written about Jakarta, Manila, or London by anyone who had a feeling for the invisible truths of those places.

Things don't go away just because you choose to forget them.

Echo is very important to me. I love the repetition of motifs, or the slight alteration of what's been said before. This is part of how one creates a mood, a psychological caul, in fact, around the reader.