Leviticus 14:57
to teach {when something is unclean and when something is clean}. This [is] the regulation of the infectious skin disease."
Leviticus 10:10
and to distinguish between the holy and the unholy, as well as between the unclean and the clean,
Deuteronomy 24:8
Be watchful {with respect to} [an] outbreak of [any] infectious skin disease, by being very careful and by acting according to all that the priests and the Levites have instructed you, [just] as I have commanded them, {so you shall diligently observe}.
Jeremiah 15:19
Therefore thus says Yahweh, "If you turn back, then I will take you back. You will stand {before me}. And if you utter [what is] precious and not [what is] worthless, you will be as my mouth. They will turn back to you, and you will not turn back to them.
Ezekiel 44:23
And they will teach my people [the difference] between what is holy and what is unholy, and [the difference] between unclean and clean they must show them.