“You never get cheered for telling people the situation is not as simple as they think.”

“You never know," Jack said speculatively. "There may come a time when savages like William Hamleigh aren't in power; when the laws protect the ordinary people instead of enslaving them; when the king makes peace instead of war. Think of that - a time when towns in England don't need walls!”

“When things are simple, fewer mistakes are made. The most expensive part of a building is the mistakes.”

“Such talk makes you think of radiation like water in a pool: if it’s four feet high you’re safe, if it’s eight feet high you drown. But in fact radiation levels are much more like speed limits on the highway – thirty miles per hour is safer than eighty, but not as safe as twenty, and the only way to be completely safe is not to get in the car.”

“We’re all good when it suits us, he used to say: that doesn’t count. It’s when you want so badly to do something wrong—when you’re about to make a fortune from a dishonest deal, or kiss the lovely lips of your neighbor’s wife, or tell a lie to get yourself out of terrible trouble—that’s when you need the rules. Your integrity is like a sword, he would say: you shouldn’t wave it until you’re about to put it to the test.”

“You can’t write novels about people who are timid, risk-averse and passive. Or you can, but they’re called literary novels.”

“What news? There's nothing to tell. I'm a nun.”