Bob Deffinbaugh, in a sermon on Leviticus 12-15, “Offending God: The Clean and the Unclean” It is at this point that the Israelite of Moses’ day came to a very sobering realization. While the Law could pronounce a person unclean, it made no provision to make him clean. The priest could declare an unclean person … More The Law could pronounce a person unclean, it made no provision to make him clean.