Deuteronomy 21:5
And the priests the sons of Levi shall come near; for them Jehovah thy God hath chosen to minister unto him, and to bless in the name of Jehovah; and according to their word shall every controversy and every stroke be.
1 Chronicles 23:13
The sons of Amram: Aaron and Moses; and Aaron was separated, that he should sanctify the most holy things, he and his sons, for ever, to burn incense before Jehovah, to minister unto him, and to bless in his name, for ever.
Deuteronomy 10:8
At that time Jehovah set apart the tribe of Levi, to bear the ark of the covenant of Jehovah, to stand before Jehovah to minister unto him, and to bless in his name, unto this day.
Numbers 6:22-27
And Jehovah spake unto Moses, saying,
Deuteronomy 17:8-12
If there 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 get thee up unto the place which Jehovah thy God shall choose;
Deuteronomy 18:5
For Jehovah thy God hath chosen him out of all thy tribes, to stand to minister in the name of Jehovah, him and his sons for ever.
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 they should seek the law at his mouth; for he is the messenger of Jehovah of hosts.