Tell someone you are going to rob them and all that will happen is that you'll get a reputation as a truthful man.

I'm mean and turf and I'm mean and turf and I'm mean and turf and I'm mean and turf, And me an' my friends can walk towards you with our hats on backwards in a menacing way, Yo!

Only Ron's dog was watching William. He considered that it had, for a dog, a very offensive and knowing look. A couple of months ago someaone had tried to hand William the old story about there being a dog in the city that could talk. (...) The dog in front of William didn't look as if it could talk, but it DID look as if it would swear.

Of course, Ankh-Morpork's citizens had always claimed that the river water was incredibly pure. Any water that had passed through so many kidneys, they reasoned, had to be very pure indeed.

He'd been wrong, there was a light at the end of the tunnel, and it was a flamethrower.

It was Carrot who'd suggested to the Patrician that hardened criminals should be given the chance to 'serve the community' by redecorating the homes of the elderly, lending a new terror to old age and, given Ankh-Morpork's crime rate, leading to at least one old lady having her front room wallpapered so many times in six months that now she could only get in sideways.

Creatures which, lacking mankind's superior brain power, did not concern themselves with finding someone to blame, and instead tried to find someone to eat.