The "dung hill" appears in the Parable of the Salt (Luke 14:34-35). "Salt is good, but if it loses its saltiness, how can it be made salty again? It is fit neither for the soil nor for the dung hill; it is thrown out." Jesus was addressing the religious leaders' hypocrisy. In the ancient world, salt was often mixed with manure to act as a catalyst, helping the dung ferment so it could be used as fertilizer. • The Warning: If the salt (the Pharisees' religious influence) lost its "savior" or purity, it became useless. It was so worthless that it couldn't even be used to help a pile of waste become fertilizer. • The Metaphor: To be "cast out" to the dung hill was a sign of total spiritual worthlessness—the ultimate insult to leaders who considered themselves the most valuable members of society.