“And sin, young man, is when you treat people like things.”

“Evil begins when you begin to treat people as things.”

“When he'd been small, people had said things like, "And what do you want to be, little man?" and he'd said, "I don’t know. What have you got?”

“Something Vimes had learned as a young guard drifted up from memory. If you have to look along the shaft of an arrow from the wrong end, if a man has you entirely at his mercy, then hope like hell that man is an evil man. Because the evil like power, power over people, and they want to see you in fear. They want you to know you're going to die. So they'll talk. They'll gloat.They'll watch you squirm. They'll put off the moment of murder like another man will put off a good cigar.So hope like hell your captor is an evil man. A good man will kill you with hardly a word.”

“Young man, the games we play are lessons we learn. The assumptions we make, things we ignore, and things we change make us what we become.”

“When people say things are a lot more complicated than that, they means they're getting worried that they won't like the truth.”

“After all, my young Dodger, what exactly are you? A stalwart young man, plucky and brave and apparently without fear? Or, possibly, I suggest, a street urchin with a surfeit of animal cunning and the luck of Beelzebub himself.”