Deuteronomy 21:5

Then shall the priests the sons of Levi come near, for of them, hath Yahweh thy God made choice to wait upon him, and to bless in the name of Yahweh, - and at their bidding, shall be settled every controversy and every punishment;

1 Chronicles 23:13

The sons of Amram, Aaron and Moses, - and Aaron was separated, to hallow the holy of holies, he and his sons, unto times age-abiding, to make a perfume before Yahweh, to be in attendance upon him, and to bless in his name, unto times age-abiding;

Deuteronomy 10:8

At that time, did Yahweh separate the tribe of Levi, to bear the ark of the covenant of Yahweh, - to stand before Yahweh to wait upon him and to bless in his name (until this day).

Deuteronomy 17:8-12

When any matter of judgment, shall be too difficult for thee - between blood and blood between plea and plea or between stroke and stroke, matters of contention within thy gates, then shalt thou arise and go up unto the place which Yahweh thy God shall choose;

Deuteronomy 18:5

For of him, hath Yahweh thy God made choice out of all thy tribes, - to stand to minister in the name of Yahweh of him and his sons all the days.

Deuteronomy 19:17

then shall the two men who are at variance stand before Yahweh, - before the priests and the judges who shall be in those days;

Malachi 2:7

For, the lips of a priest, should keep knowledge, and, a deliverance, should men seek at his mouth, - for, the messenger of Yahweh of hosts, he is.

Treasury of Scripture Knowledge

Summary

And the priests the sons of Levi shall come near; for them the LORD thy God hath chosen to minister unto him, and to bless in the name of the LORD; and by their word shall every controversy and every stroke be tried:

General references

Bible References

For them

Deuteronomy 10:8
At that time, did Yahweh separate the tribe of Levi, to bear the ark of the covenant of Yahweh, - to stand before Yahweh to wait upon him and to bless in his name (until this day).
Deuteronomy 18:5
For of him, hath Yahweh thy God made choice out of all thy tribes, - to stand to minister in the name of Yahweh of him and his sons all the days.
1 Chronicles 23:13
The sons of Amram, Aaron and Moses, - and Aaron was separated, to hallow the holy of holies, he and his sons, unto times age-abiding, to make a perfume before Yahweh, to be in attendance upon him, and to bless in his name, unto times age-abiding;

By their word

Deuteronomy 17:8
When any matter of judgment, shall be too difficult for thee - between blood and blood between plea and plea or between stroke and stroke, matters of contention within thy gates, then shalt thou arise and go up unto the place which Yahweh thy God shall choose;
Malachi 2:7
For, the lips of a priest, should keep knowledge, and, a deliverance, should men seek at his mouth, - for, the messenger of Yahweh of hosts, he is.

General references

Numbers 6:23
Speak unto Aaron, and unto his sons saying Thus, shall ye bless the sons of Israel, - saying unto them:
Deuteronomy 19:17
then shall the two men who are at variance stand before Yahweh, - before the priests and the judges who shall be in those days;