From this new point of view, the universe I had inhabited became an object I could perceive in its entirety. It was a hypersphere embedded in a cloud of alternative states - the sum of all possible quantum trajectories from the big bang to the decay of matter. "Reality" - history as we had known or inferred it - was only the most likely of these possible trajectories. There were countless others, real in a different sense: a vast but finite set of paths not taken, a ghostly forest of quantum alternatives, the shores of an unknown sea.

It was the kind of experience, Molly said, that would grow calluses on an angel's ass.

Ecstasy hates company.

We live in an enlightened age, however, an age that has learned to see and to value other living things as they are, not as we wish them to be. And the long and creditable history of science has taught us, if nothing else, to look carefully before we judge to judge, if we must, based on what we see, not what we would prefer to believe.

An honest book is almost as good as a friend.

Stupid people do stupid things, but people who are smart enough can do something really stupid.

We're all born strangers to ourselves and each other, and we're seldom formally introduced.