Susan hated Literature. She'd much prefer to read a good book.

I HAVE MADE THIS FOR YOU.
She reached out and took a damp square of cardboard. Water dripped off the bottom. Somewhere in the middle, a few brown feathers seemed to have been glued on.
'Thank you. Er ... what is it?'
ALBERT SAID THERE OUGHT TO BE SNOW ON IT, BUT IT APPEARS TO HAVE MELTED, said Death. IT IS, OF COURSE, A HOGSWATCH CARD.
'Oh ...'
THERE SHOULD HAVE BEEN A ROBIN ON IT AS WELL, BUT I HAD CONSIDERABLE DIFFICULTY IN GETTING IT TO STAY ON.
'Ah...'
IT WAS NOT AT ALL COOPERATIVE.
'Really ...?'
IT DID NOT SEEM TO GET INTO THE HOGSWATCH SPIRIT AT ALL.

I assure you I will not kill you," said Inigo.
"I know that," said Vimes. "But will you try?

Murder was in fact a fairly uncommon event in Ankh-Morpork, but there were a lot of suicides. Walking in the night-time alleyways of The Shades was suicide. Asking for a short in a dwarf bar was suicide. Saying 'Got rocks in your head?' to a troll was suicide. You could commit suicide very easily, if you weren't careful.

Commander, I always used to consider that you had a definite anti-authoritarian streak in you.”
“Sir?”
“It seems that you have managed to retain this even though you are authority.”
“Sir?”
“That’s practically zen.

Don't wish, Miss Tick had said. Do things.