Deuteronomy 21:5
The priests the sons of Levi shall come near; for them the LORD your God has chosen to minister to him, and to bless in the name of the LORD; 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, forever, to burn incense before the LORD, to minister to him, and to bless in his name, forever.
Deuteronomy 10:8
At that time the LORD set apart the tribe of Levi, to bear the ark of the covenant of the LORD, to stand before the LORD to minister to him, and to bless in his name, to this day.
Numbers 6:22-27
The LORD spoke to Moses, saying,
Deuteronomy 17:8-12
If there arises a matter too hard for you in judgment, between blood and blood, between plea and plea, and between stroke and stroke, being matters of controversy within your gates; then you shall arise, and go up to the place which the LORD your God shall choose;
Deuteronomy 18:5
For the LORD your God has chosen him out of all your tribes, to stand to minister in the name of the LORD, him and his sons for ever.
Deuteronomy 19:17
then both the men, between whom the controversy is, shall stand before the LORD, before the priests and the judges who 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 the LORD of hosts.