The line comes from The Elder Scrolls IV: Oblivion, the 2006 role-playing game from Bethesda, where town guards patrol cities and speak to the player during encounters. Guard dialogue from Oblivion became famous online for its repetitive delivery and blunt tone, and clips of guards speaking were shared widely in gameplay videos and meme edits. This short phrase survives because it is instantly recognisable to players, easy to drop into a joke, and still captures the slightly absurd authority of Oblivion's guards.