"People who didn't need people needed people around to know that they were the kind of people who didn't need people".
"FEET OF CLAY"
"When you've made up your mind to shout out who you are to the world, it's a relief to know that you can do it in a whisper".
"Just because someone's a member of an ethnic minority doesn't mean they're not a nasty small-minded little jerk".
"It is always useful to face an enemy who is prepared to die for his country. This means that both you and he have exactly the same aim in mind".
"How to deal with overwhelming odds? Take every opportunity to turn them into underwhelming odds".
"The point about burning your boats is that you shouldn't be standing on them when you drop the match".
"The intelligence of that creature known as a crowd is the square root of the number of people in it".
"Only those with their feet on rock can build castles in the air."
"THE SCIENCE OF DISCWORLD"
"Don't play God. He always wins".
"THE FIFTH ELEPHANT"
"He knew he had hidden depths. There was nothing in them that he'd like to see float to the surface".
"It was funny how people were people everywhere you went, even if the people concerned weren't the people the people who made up the phrase 'people are people everywhere' had traditionally thought of as people".
"A marriage is always made up of two people who are prepared to swear that only the other one snores".
"The first rule of policing: suspect the victim".
"He'd noticed that sex bore some resemblance to cookery: it fascinated people, they sometimes bought books full of complicated recipes and interesting pictures, and sometimes when they were really hungry they created vast banquets in their imagination - but at the end of the day they'd settle quite happily for egg and chips. If it was well done and maybe had a slice of tomato".
[Angua von Uberwald:] "Our family motto is Homo Homini Lupus. "A man is a wolf to other men"! How stupid. Do you think they mean that men are shy and retiring and loyal and kill only to eat? Of course not! They mean that men act like men towards other men, and the worse they are the more they think they'd really like being wolves! Humans hate werewolves because they see the wolf in us, but wolves hate us because they see the human inside - and I don't blame them!"
[Cheery Littlebottom translates the line from the famous dwarfish opera:] "`The value of truth is greater than gold'... er, there's always been some debate about that last line, sir, but it's generally considered acceptable if it's a really big truth -'
"His head felt like some vast sea that had just been parted by a prophet. Where there should have been activity there was just bare sand and the occasional floundering fish".
"You couldn't hope to try for the big stuff, like world peace and happiness, but you might just about be able to achieve some tiny deed that'd make the world, in a small way, a better place. Like shooting someone".
"- I mean, doesn't it change history even if you just tread on an ant?
- For the ant, certainly".
"I think I'm probably an atheist, but rather angry with God for not existing".