Leviticus 11:36
“Nevertheless a spring or a cistern in which water is gathered shall be clean: but that which touches their carcass shall be unclean.”
What does Leviticus 11:36 mean?
Water collected in a spring or cistern—sources that naturally gather water—remains clean even if an unclean animal dies nearby, because the flowing or standing water itself isn't contaminated by mere contact. However, if you actually touch the carcass and then touch the water, you become unclean and make whatever you touch unclean too. The point seems to be about the difference between incidental proximity and direct contact: some things have a natural resilience or are protected by their nature, while others depend on our deliberate actions and choices. For communities living with strict purity laws, this offered a practical mercy—they didn't have to abandon their water sources over every dead animal, but they still needed to be thoughtful about their own hands and what they carried.