Terry Pratchett. Hat full of sky (№ 337634)

- When I was little, everyone thought I was twins, ' said the witch over his shoulder. - And then... they decided that I was the embodiment of evil, - she finished through the other shoulder.
And they were right? - asked Tiffany.
Both half aunt on a Par with a shocked look turned to her.
You can't ask people such questions!
- Mmm... but this is an obvious question, ' said Tiffany. - If you in response will say: "Yes, I'm evil! MUA-ha-ha!" this will save a lot of time, right?