“It had always struck her as wrong that we should judge ourselves-or, more usually, others-by single acts, as if a single snapshot said anything about what a person had been like over the whole course of his life. It could say something, of course, but only if it was typical of how that person behaved; otherwise, no, all it said that at that moment, in those particular circumstances, temptation won a local victory.”

“But let no person say what they would or would not do, since we are not judges for ourselves until circumstances call us to act.”

“I am tired of people saying that poor character is the only reason people do wrong things. Actually, circumstances cause people to act a certain way. It's from those circumstances that a person's attitude is affected followed by weakening of character. Not the reverse. If we had no faults of our own, we should not take so much pleasure in noticing those in others and judging their lives as either black or white, good or bad. We all live our lives in shades of gray.”

“Like every other destruction of optimism, whether in a whole civilisation or in a single individual, these must have been unspeakable catastrophes for those who had dared to expect progress. But we should feel more than sympathy for those people. We should take it personally. For if any of those earlier experiments in optimism had succeeded, our species would be exploring the stars by now, and you and I would be immortal.”

“This is the real drama for me; the belief that we all, you see, think of ourselves as one single person: but it's not true: each of us is several different people, and all these people live inside us. With one person we seem like this and with another we seem very different. But we always have the illusion of being the same person for everybody and of always being the same person in everything we do. But it's not true! It's not true! We find this out for ourselves very clearly when by some terrible chance we're suddenly stopped in the middle of doing something and we're left dangling there, suspended. We realize then, that every part of us was not involved in what we'd been doing and that it would be a dreadful injustice of other people to judge us only by this one action as we dangle there, hanging in chains, fixed for all eternity, as if the whole of one's personality were summed up in that single, interrupted action.”

“A single smile from her could make his entire being burn. One touch from her hand and he was undone. It was terrifying to think of how much power this one person had over him. How one single gesture from her could affect him so profoundly. (Sin thinking about Kat)”