Deuteronomy 21:5
Then the priests, the sons of Levi, are to come near; for they have been marked out by the Lord your God to be his servants and to give blessings in the name of the Lord; and by their decision every argument and every blow is to be judged:
1 Chronicles 23:13
The sons of Amram: Aaron and Moses; and Aaron was made separate and holy, he and his sons for ever, for the care of the most holy things and the burning of offerings before the Lord, to do his work and give blessings in his name for ever.
Deuteronomy 10:8
At that time the Lord had the tribe of Levi marked out to take up the ark of the Lord's agreement, to be before the Lord and to do his work and to give blessings in his name, to this day.
Numbers 6:22-27
And the Lord said to Moses,
Deuteronomy 17:8-12
If you are not able to give a decision as to who is responsible for a death, or who is right in a cause, or who gave the first blow in a fight, and there is a division of opinion about it in your town: then go to the place marked out by the Lord your God;
Deuteronomy 18:5
For he, and his sons after him for ever, have been marked out by the Lord your God from all your tribes, to do the work of priests in the name of the Lord.
Deuteronomy 19:17
Then the two men, between whom the argument has taken place, are to come before the Lord, before the priests and judges who are then in power;
Malachi 2:7
For it is right for the priest's lips to keep knowledge, and for men to be waiting for the law from his mouth: for he is the servant sent from the Lord of armies.