As we all know, the Discworld is a flat planet - like a geological pizza, but without the anchovies.
There were two ways of looking at the world, but only one when you are starving.
Students, eh? Love 'em or hate 'em, you can't hit them with a shovel!
Everyone is reading what they like and that's a good thing.
No one knew where you were before you were born, but when you were born, it wasn't long before you found you'd arrived with your return ticket already punched.
Insofar as he'd formed any opinion of her, it was that she suffered from misplaced gentility and the mistaken belief that etiquette meant good breeding. She mistook mannerisms for manners.