I wonder if it's like this for mountain climbers, he thought. You climb bigger and bigger mountains and you know that one day one of them is going to be just that bit too steep. But you go on doing it, because it’s so-o good when you breathe the air up there. And you know you'll die falling.

I wouldn't trust you with a bucket of water if my knickers were on fire!

He moved in a way that suggested he was attempting the world speed record for the nonchalant walk.

Vimes's lack of interest in other people's children was limitless.

But here's some advice, boy. Don't put your trust in revolutions. They always come around again. That's why they're called revolutions.

And what do you really do? asked Tiffany. The thin witch hesitatied for a moment, and then: We look to ... the edges, said Mistress Weatherwax. There's a lot of edges, more than people know. Between life and death, this world and the next, night and day, right and wrong ... an' they need watchin'. We watch 'em, we guard the sum of things. And we never ask for any reward. That's important.

The trouble was that he was talking in philosophy but they were listening in gibberish.