Why bother with a cunning plan when a simple one will do?

Humans need fantasy in order to be human.

They didn't know why these things were funny. Sometimes you laugh because you've got no more room for crying. Sometimes you laugh because table manners on a beach are funny. And sometimes you laugh because you're alive, when you really shouldn't be.

I’m not superstitious. I’m a witch. Witches aren’t superstitious. We are what people are superstitious of.

And at the other end of the bar the world is full of the other type of person, who has a broken glass, or a glass that has been carelessly knocked over (usually by one of the people calling for a larger glass) or who had no glass at all, because he was at the back of the crowd and had failed to catch the barman's eye.

Mr Lipwig, there's a lady in the hall to see you and we've thanked her for not smoking three times and she's still doing it!

What did I tell you about Mister Safety Catch?' said Vimes weakly. When Mister Safety Catch Is Not On, Mister Crossbow Is Not Your Friend,' recited Detritus, saluting.