“Once you've ruled out the impossible then whatever is left, however improbable, must be the truth. The problem lay in working out what was impossible, of course. That was the trick, all right. There was also the curious incident of the orangutan in the night-time.”

“Well, I think," said Nobby, "that when you rule out the impossible, whatever is left, however improbable, ain't worth hanging around for on a cold night wonderin' about when you could be getting on the outside of a big drink.”

“He was trying to conjure up a succubus." It should be impossible to leer when all you've got is a beak, but the parrot managed it. "That's a female demon what comes in the night and makes mad passionate wossn-""I've heard of them," said Rincewind. "Bloody dangerous things."The parrot put its head on one side. "It never worked. All he ever got was a neuralger.""What's that?""It's a demon that comes and has a headache at you.”

“--one of the reasons I'm talking to you now is to tell you that whatever you may be planning, you must not break the law. Since I have just now stepped out of this room and any voice you may be hearing cannot possibly be mine, I must however point out to you that there are times when the law may be somewhat...flexible.”

“ALL THINGS THAT ARE, ARE OURS. BUT WE MUST CARE. FOR IF WE DO NOT CARE, WE DO NOT EXIST. IF WE DO NOT EXIST, THEN THERE IS NOTHING BUT BLIND OBLIVION. AND EVEN OBLIVION MUST END SOMEDAY. LORD, WILL YOU GRANT ME JUST A LITTLE TIME? FOR THE PROPER BALANCE OF THINGS. TO RETURN WHAT WAS GIVEN. FOR THE SAKE OF PRISONERS AND THE FLIGHT OF BIRDS.Death took a step backwards.It was impossible to read expression in Azrael's features.Death glanced sideways at the servants. LORD, WHAT CAN THE HARVEST HOPE FOR, IF NOT FOR THE CARE OF THE REAPER MAN?”

“They know that people need witches; they need the unofficial people who understand the difference between right and wrong, and when right is wrong and when wrong is right. The world needs the people who work around the edges. They need the people who can deal with the little bumps and inconveniences. And little problems. After all, we are almost all human. Almost all of the time.”

“Listen, Peaches, trickery is what humans are all about," said the voice of Maurice. "They're so keen on tricking one another all the time that they elect governments to do it for them.”