Leviticus 10:10 And that ye may put difference between holy and unholy, and between unclean and clean;

Leviticus 10:11 And that ye may teach the children of Israel all the statutes which the LORD hath spoken unto them by the hand of Moses.

Ezekiel 22:26 Her priests have violated my law, and have profaned mine holy things: they have put no difference between the holy and profane, neither have they shewed difference between the unclean and the clean, and have hid their eyes from my sabbaths, and I am profaned among them.

Malachi 2:7 For the priest's lips should keep knowledge, and they should seek the law at his mouth: for he is the messenger of the LORD of hosts.

Jeremiah 15:19 ¶Therefore thus saith the LORD, If thou return, then will I bring thee again, and thou shalt stand before me: and if thou take forth the precious from the vile, thou shalt be as my mouth: let them return unto thee; but return not thou unto them.