Deuteronomy 18:5

For Yahweh your God has chosen him and his sons from all your tribes to stand and minister in His name from now on.

Deuteronomy 10:8

“At that time the Lord set apart the tribe of Levi to carry the ark of the Lord’s covenant, to stand before Yahweh to serve Him, and to pronounce blessings in His name, as it is today.

Deuteronomy 17:12

The person who acts arrogantly, refusing to listen either to the priest who stands there serving the Lord your God or to the judge, must die. You must purge the evil from Israel.

Exodus 28:1-14

“Have your brother Aaron, with his sons, come to you from the Israelites to serve Me as priest—Aaron, his sons Nadab and Abihu, Eleazar and Ithamar.

Numbers 3:10

You are to appoint Aaron and his sons to carry out their priestly responsibilities, but any unauthorized person who comes near the sanctuary must be put to death.”

Numbers 16:5

Then he said to Korah and all his followers, “Tomorrow morning the Lord will reveal who belongs to Him, who is set apart, and the one He will let come near Him. He will let the one He chooses come near Him.

Numbers 16:9-10

Isn’t it enough for you that the God of Israel has separated you from the Israelite community to bring you near to Himself, to perform the work at the Lord’s tabernacle, and to stand before the community to minister to them?

Numbers 17:5-9

The staff of the man I choose will sprout, and I will rid Myself of the Israelites’ complaints that they have been making about you.”

Numbers 25:13

It will be a covenant of perpetual priesthood for him and his future descendants, because he was zealous for his God and made atonement for the Israelites.”

Treasury of Scripture Knowledge

Summary

For the LORD thy God hath chosen him out of all thy tribes, to stand to minister in the name of the LORD, him and his sons for ever.

Bible References

General references

Deuteronomy 10:8
“At that time the Lord set apart the tribe of Levi to carry the ark of the Lord’s covenant, to stand before Yahweh to serve Him, and to pronounce blessings in His name, as it is today.
Deuteronomy 17:12
The person who acts arrogantly, refusing to listen either to the priest who stands there serving the Lord your God or to the judge, must die. You must purge the evil from Israel.
Exodus 28:1
“Have your brother Aaron, with his sons, come to you from the Israelites to serve Me as priest—Aaron, his sons Nadab and Abihu, Eleazar and Ithamar.
Numbers 3:10
You are to appoint Aaron and his sons to carry out their priestly responsibilities, but any unauthorized person who comes near the sanctuary must be put to death.”
Numbers 16:5
Then he said to Korah and all his followers, “Tomorrow morning the Lord will reveal who belongs to Him, who is set apart, and the one He will let come near Him. He will let the one He chooses come near Him.
Numbers 17:5
The staff of the man I choose will sprout, and I will rid Myself of the Israelites’ complaints that they have been making about you.”
Numbers 25:13
It will be a covenant of perpetual priesthood for him and his future descendants, because he was zealous for his God and made atonement for the Israelites.”

Holman Christian Standard Bible®, Copyright © 1999, 2000, 2002, 2003, 2009 by Holman Bible Publishers.