Jonquil

“No! Please! I'll tell you whatever you want to know!" the man yelled.
"Really?" said Vimes. "What's the orbital velocity of the moon?"
"What?"
"Oh, you'd like something simpler?”
― Terry Pratchett, Night Watch

“Some humans would do anything to see if it was possible to do it. If you put a large switch in some cave somewhere, with a sign on it saying 'End-of-the-World Switch. PLEASE DO NOT TOUCH', the paint wouldn't even have time to dry.”
― Terry Pratchett, Thief of Time

“Wisdom comes from experience. Experience is often a result of lack of wisdom.”
― Terry Pratchett

“Real stupidity beats artificial intelligence every time.”
― Terry Pratchett, Hogfather