Multiple choice general knowledge Mad Eye Moody keeps on repeating this phrase Hard work and no play makes Harry a dull boy. Never cry wolf Constant vigilance Sleep with one eye open Reveal answer Fill a bubble to check yourself C Correct answer Explanation Alastor 'Mad-Eye' Moody constantly repeats "Constant vigilance!" as his catchphrase. This reflects his paranoid, hyper-cautious nature after years as an Auror fighting Dark wizards, and it becomes a running theme throughout Goblet of Fire.