Matthew 12:43–45: Demons Returning Stronger
Jesus describes a spirit that leaves a person, wanders, and returns with seven worse spirits to a house that is empty, swept, and put in order. The warning is not about a method of deliverance but about a life cleared of evil and left unoccupied.
Luke 11:24–26: The Empty House Warning
Jesus describes an unclean spirit that leaves a man, finds no rest, and returns to a house swept and put in order, bringing seven spirits worse than himself. The saying is a warning about an empty house, not a formula for how demons always behave.