“There's a saying that all roads lead to Ankh-Morpork. And it's wrong. All roads lead away from Ankh-Morpork, but sometimes people just walk along them the wrong way.”
“If the Creator had said, "Let there be light" in Ankh-Morpork, he'd have got no further because of all the people saying "What colour?”
“It was said that life was cheap in Ankh-Morpork. This was of course, completely wrong. Life was often very expensive; you could get death for free.”
“Sergeant Colon of the Ankh-Morpork City Guard was on duty. He was guarding the Brass Bridge, the main link between Ankh and Morpork. From theft.When it came to crime prevention, Sergeant Colon found it safest to think big.”
“That's the Ankh-Morpork instinct, Vimes thought. Run away, and then stop and see if anything interesting is going to happen to other people.”
“Ankh-Morpork! Pearl of cities! This is not a completely accurate description, of course — it was not round and shiny — but even its worst enemies would agree that if you had to liken Ankh-Morpork to anything, then it might as well be a piece of rubbish covered with the diseased secretions of a dying mollusc.”