" rats?” “I just said that.” “But the attic is clean.” “Well, okay, we’ve got tidy rats!” “No rats.” “Karl, I heard them last night.” “Maybe plumbing,” Karl probed; “maybe boards.” “Maybe rats! Will you buy the damn traps and quit arguing?” Bustling away, Karl, said, “Yes! I go now!” “No not now, Karl! The "

― William Peter Blatty , The Exorcist