Deuteronomy 21:5
and the priests the sons of Levi shall come near; for them Jehovah thy God hath chosen to do service unto him, and to bless in the name of Jehovah; and according to their word shall be every controversy and every stroke.
1 Chronicles 23:13
The sons of Amram: Aaron and Moses. And Aaron was separated, that he should be hallowed as most holy, he and his sons for ever, to offer before Jehovah, to do service to him, and to bless in his name for ever.
Deuteronomy 10:8
At that time Jehovah separated the tribe of Levi, to bear the ark of the covenant of Jehovah, to stand before Jehovah to do service unto him, and to bless in his name, unto this day.
Numbers 6:22-27
And Jehovah spoke to Moses, saying,
Deuteronomy 17:8-12
If there arise a matter too hard for thee in judgment, between blood and blood, between cause and cause, and between stroke and stroke, matters of controversy within thy gates, then shalt thou arise, and go up to the place which Jehovah thy God will choose.
Deuteronomy 18:5
for Jehovah thy God hath chosen him out of all thy tribes, that he may stand to serve in the name of Jehovah, he and his sons continually.
Deuteronomy 19:17
then both the men between whom the controversy is shall stand before Jehovah, before the priests and the judges that shall be in those days;
Malachi 2:7
For the priest's lips should keep knowledge, and at his mouth they seek the law; for he is the messenger of Jehovah of hosts.