“People ought to think for themselves... The problem is, people only think for themselves if you tell them to. (Corporal Carrot)”

“I believe you find life such a problem because you think there are good people and bad people. You're wrong, of course. There are, always and only, the bad people, but some of them are on opposite sides.”

“Colon thought Carrot was simple. Carrot often struck people as simple. And he was.Where people went wrong was thinking that simple meant the same thing as stupid.”

“First Thoughts are the everyday thoughts. Everyone has those. Second Thoughts are the thoughts you think about the way you think. People who enjoy thinking have those. Third Thoughts are thoughts that watch the world and think all by themselves. They’re rare, and often troublesome. Listening to them is part of witchcraft.”

“They called themselves the Munrungs. It meant The People, or The True Human Beings.It's what most people call themselves, to begin with. And then one day the tribe meets some other People or, if it's not been a good day, The Enemy. If only they'd think up a name like Some More True Human Beings, it'd save a lot of trouble later on”

“Some people think this is paranoia, but it isn't. Paranoids only think everyone is out to get them. Wizards know it.”

“We're dealing here," said Vimes, "With a twisted mind.""Oh, no! You think so?""Yes.""But... no... you can't be right. Because Nobby was with us all the time.""Not Nobby," said Vimes testily. "Whatever he might do to a dragon, I doubt if he'd make it explode. There's stranger people in this world than Corporal Nobbs, my lad."Carrot's expression slid into a rictus of intrigued horror."Gosh," he said.”