Leviticus 10:10

10:10 as well as to distinguish between the holy and the common, and between the unclean and the clean,

Jeremiah 15:19

15:19 Because of this, the Lord said,

“You must repent of such words and thoughts!

If you do, I will restore you to the privilege of serving me.

If you say what is worthwhile instead of what is worthless,

I will again allow you to be my spokesman.

They must become as you have been.

You must not become like them.

Ezekiel 44:23

44:23 Moreover, they will teach my people the difference between the holy and the common, and show them how to distinguish between the ceremonially unclean and the clean.