Numbers 18:7

Only you and your sons may do the work of priests, everything done at the altar and under the canopy. This is my gift to you: You may serve me as priests. Anyone else who comes near the holy place to do this work must die.

Numbers 3:10

Appoint Aaron and his sons to serve as priests. Anyone else who tries to do the priests' duties must be put to death.

Exodus 29:9

Then ordain them, because they and their descendants will have a long lasting priesthood.

Leviticus 16:2

Jehovah said: Tell your brother Aaron that he cannot go into the holy place whenever he wants to. If he goes up to the canopy and stands in front of the throne of mercy on the Ark, he will die. This is because I appear in the smoke above the throne of mercy.

Leviticus 16:12-14

He will take an incense burner full of burning coals from the altar in Jehovah's presence, and two handfuls of finely ground, sweet-smelling incense. He will bring them up to the canopy.

Numbers 1:51

When the tent is to be moved, the Levites will take it down. When we camp, they will set it up. Anyone else who comes near the tent will be put to death.

Numbers 3:38

Moses, Aaron, and his sons put up their tents on the east side in front of the tent of meeting. They were in charge of the holy place on behalf of the Israelites. Anyone else who tried to do the Levites' duties had to be put to death.

Numbers 16:5-7

Then he said to Korah and all his followers: In the morning Jehovah will show who belongs to him, who is holy. He will have that person come near him. Only the person Jehovah chooses will be allowed to come near him.

Numbers 16:40

He followed Jehovah's command given through Moses. The copper-covered altar will remind Israel that no one but a descendant of Aaron may come near to burn incense to Jehovah. Everyone else will die like Korah and his followers.

Numbers 18:4-5

They are to work with you and fulfill their responsibilities for all the service in the tent. No unqualified person may work with you.

Numbers 18:20

Jehovah said to Aaron: You will have no land or property of your own as the other Israelites will have. I am your possession and your property among the Israelites.

1 Samuel 2:28

Did I choose him out of all the tribes of Israel to be my priest, to offer upon my altar, to burn incense, to wear an ephod in my presences me? Did I give to the house of your father all the offerings made by fire from the sons of Israel?

John 3:27

John answered: A man can receive nothing unless it is given to him from heaven.

Romans 15:15-16

Nevertheless, brothers, I have written more boldly to you on some points, keeping you in mind, because of the grace that is given to me from God,

Ephesians 3:8

To me, the very least of all the holy ones, was given grace (loving divine influence) to preach to the people of the nations the untraceable riches of Christ.

Hebrews 5:4

No one takes this honor upon himself. He is called by God, even as Aaron was.

Hebrews 9:3-6

Beyond the second curtain was a room called the Most Holy Place.

Treasury of Scripture Knowledge

Summary

Therefore thou and thy sons with thee shall keep your priest's office for every thing of the altar, and within the vail; and ye shall serve: I have given your priest's office unto you as a service of gift: and the stranger that cometh nigh shall be put to death.

Therefore thou

Bible References

Therefore thou

Numbers 18:5
You and your sons alone must fulfill the responsibilities for the Holy Place and the altar. That way my anger will not again break out against the people of Israel.
Numbers 3:10
Appoint Aaron and his sons to serve as priests. Anyone else who tries to do the priests' duties must be put to death.

Within

Leviticus 16:2
Jehovah said: Tell your brother Aaron that he cannot go into the holy place whenever he wants to. If he goes up to the canopy and stands in front of the throne of mercy on the Ark, he will die. This is because I appear in the smoke above the throne of mercy.
Hebrews 9:3
Beyond the second curtain was a room called the Most Holy Place.

As a service

Numbers 16:5
Then he said to Korah and all his followers: In the morning Jehovah will show who belongs to him, who is holy. He will have that person come near him. Only the person Jehovah chooses will be allowed to come near him.
1 Samuel 2:28
Did I choose him out of all the tribes of Israel to be my priest, to offer upon my altar, to burn incense, to wear an ephod in my presences me? Did I give to the house of your father all the offerings made by fire from the sons of Israel?
John 3:27
John answered: A man can receive nothing unless it is given to him from heaven.
Romans 15:15
Nevertheless, brothers, I have written more boldly to you on some points, keeping you in mind, because of the grace that is given to me from God,
Ephesians 3:8
To me, the very least of all the holy ones, was given grace (loving divine influence) to preach to the people of the nations the untraceable riches of Christ.
Hebrews 5:4
No one takes this honor upon himself. He is called by God, even as Aaron was.

The stranger

Numbers 18:4
They are to work with you and fulfill their responsibilities for all the service in the tent. No unqualified person may work with you.
Numbers 3:38
Moses, Aaron, and his sons put up their tents on the east side in front of the tent of meeting. They were in charge of the holy place on behalf of the Israelites. Anyone else who tried to do the Levites' duties had to be put to death.
Numbers 16:40
He followed Jehovah's command given through Moses. The copper-covered altar will remind Israel that no one but a descendant of Aaron may come near to burn incense to Jehovah. Everyone else will die like Korah and his followers.

General references

Numbers 3:9
Give the Levites to Aaron and his sons. The Levites will be the only Israelites given to them.
Numbers 17:3
Write Aaron's name on the staff for Levi because there must be one staff for the head of each tribe.
Psalm 115:10
O Descendants of Aaron, trust Jehovah. He is your helper and your shield.