Haggai 2:11
Thus saith the LORD of hosts, Ask now the priests concerning the law, saying,
Leviticus 10:10-11
And that ye may make a difference between holy and unholy, and between unclean and clean;
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.
Deuteronomy 17:8-11
If there shall arise a matter too hard for thee in judgment, between blood and blood, between plea and plea, and between stroke and stroke, being matters of controversy within thy gates: then shalt thou arise, and go up to the place which the LORD thy God shall choose;
Deuteronomy 33:10
They shall teach Jacob thy judgments, and Israel thy law; they shall put incense before thee, and whole burnt sacrifice upon thy altar.
Ezekiel 44:23-24
And they shall teach my people the difference between the holy and profane, and cause them to discern between the unclean and the clean.
Titus 1:9
Holding fast the faithful word as he hath been taught, that he may be able by sound doctrine both to exhort and to convince the gainsayers.