What they did is like these true sayings: “A dog vomits and goes back to what it threw up.” And, “After a pig is washed, it goes back and rolls in the mud again.”
Like a dog that returns to its vomit, a fool does the same foolish things again and again.
Jesus told the people this story, but they did not understand what it meant.
“Maybe someone took away the old stones and plaster and put in new stones and plaster. And maybe mildew again appears in that house.