Leviticus 14:57
to distinguish when it's unclean and clean. This is the law for infectious skin diseases."
Leviticus 10:10
You are to differentiate between what's sacred and common and between what's unclean and clean.
Deuteronomy 24:8
"In cases of leprosy, be very careful to observe exactly what the Levitical priests instructed you. Carefully follow what I have commanded them.
Jeremiah 15:19
Therefore, this is what the LORD says: "If you repent, I'll take you back and you will stand before me. If you speak what is worthwhile, instead of what is worthless, then you will be my spokesman. People will turn to you, but you aren't to turn to them.
Ezekiel 44:23
"They are to teach my people how to discern what is holy in contrast to what is common, showing them how to discern between what is unclean and clean.