"Do you think it's possible for an entire nation to be insane?"

"Always be wary of any helpful item that weighs less than its operating manual."

"...inside every old person is a young person wondering what happened."

"We who think we are about to die will laugh at anything."

"HUMAN BEINGS MAKE LIFE SO INTERESTING. DO YOU KNOW, THAT IN A UNIVERSE SO FULL OF WONDERS, THEY HAVE MANAGED TO INVENT BOREDOM. (Death)"

"The presence of those seeking the truth is infinitely to be preferred to the presence of those who think they've found it."

"Many people, meeting Aziraphale for the first time, formed three impressions: that he was English, that he was intelligent, and that he was gayer than a treeful of monkeys on nitrous oxide."

"Death: "THERE ARE BETTER THINGS IN THE WORLD THAN ALCOHOL, ALBERT."Albert: "Oh, yes, sir. But alcohol sort of compensates for not getting them."

"He'd been wrong, there was a light at the end of the tunnel, and it was a flamethrower."

"It would seem that you have no useful skill or talent whatsoever," he said. "Have you thought of going into teaching?"

"No! Please! I'll tell you whatever you want to know!" the man yelled. "Really?" said Vimes. "What's the orbital velocity of the moon?""What?""Oh, you'd like something simpler?"

"Five exclamation marks, the sure sign of an insane mind."

"DON'T THINK OF IT AS DYING, said Death. JUST THINK OF IT AS LEAVING EARLY TO AVOID THE RUSH."

"In the beginning there was nothing, which exploded."

"Time is a drug. Too much of it kills you."

"Stories of imagination tend to upset those without one."

"Some humans would do anything to see if it was possible to do it. If you put a large switch in some cave somewhere, with a sign on it saying 'End-of-the-World Switch. PLEASE DO NOT TOUCH', the paint wouldn't even have time to dry."

"Give a man a fire and he's warm for a day, but set fire to him and he's warm for the rest of his life."

"The trouble with having an open mind, of course, is that people will insist on coming along and trying to put things in it."

"I'd rather be a rising ape than a falling angel."

"Progress just means bad things happen faster."

"Perhaps it would be simpler if you just did what you're told and didn't try to understand things."