But the actual touch of her lingered, inside his heart. That remained. In all the years of his life ahead, the long years without her, with never seeing her or hearing from her or knowing anything about her, if she was alive or happy or dead or what, that touch stayed locked within him, sealed in himself, and never went away. That one touch of her hand.

I think that, like in my writing, reality is always a soap bubble, Silly Putty thing anyway. In the universe people are in, people put their hands through the walls, and it turns out they're living in another century entirely. I often have the feeling — and it does show up in my books — that this is all just a stage.

He sat watching the people go by, wondering how a thing of this sort could have come about, I must have let myself get mixed up in something horrible, he thought ... Probably she's the one who did it; I have no control of myself or anything that's happened. So now I'm waking up. I'm awake, he thought ... I've been destroyed and now that I'm awake all I can do is realize it ... The shock of getting up there and telling that account made me see. Mixture of lies and bits of truth. Woven together. Unable to see where each starts.

If you think this Universe is bad, you should see some of the others.

So books are real to me, too; they link me not just with other minds but with the vision of other minds, what those minds understand and see. I see their worlds as well as I see my own.

In one of the most brilliant papers in the English language Hume made it clear that what we speak of as 'causality' is nothing more than the phenomenon of repetition. When we mix sulphur with saltpeter and charcoal we always get gunpowder. This is true of every event subsumed by a causal law in other words, everything which can be called scientific knowledge. "It is custom which rules ," Hume said, and in that one sentence undermined both science and philosophy .

Guilt -- if there was any guilt -- spread out and diffused itself over everybody and everything. . . . Perhaps at some point in time, at some spot in the world, a moment of responsibility existed.