Numbers 18:7

Therefore you and your sons with you shall keep your priests' office for everything of the altar and inside the veil. And you shall serve. I have given your priest's office as a service of gift. And the stranger that comes near shall be put to death.

Numbers 3:10

And you shall appoint Aaron and his sons, and they shall wait on their priest's office. And the stranger who comes near shall be put to death.

Exodus 29:9

And you shall gird them with girdles, Aaron and his sons, and bind turbans on them. And the priest's office shall be theirs for an everlasting statute. And you shall consecrate Aaron and his sons.

Leviticus 16:2

and Jehovah said to Moses, Speak to Aaron your brother, that he does not come at all times into the sanctuary within the veil before the mercy-seat, which is on the Ark, so that he will not die. For I will appear in the cloud on the mercy-seat.

Leviticus 16:12-14

And he shall take a censer full of coals of fire from off the altar before Jehovah, and his hands full of fragrant perfumes beaten small, and bring it within the veil.

Numbers 1:51

And when the tabernacle sets forth, the Levites shall take it down. And when the tabernacle is to be pitched, the Levites shall set it up. And the stranger who comes near shall die.

Numbers 3:38

And those who camp before the tabernacle toward the east, before the tabernacle of the congregation eastward, shall be Moses, and Aaron and his sons, keeping the charge of the sanctuary for the charge of the sons of Israel. And the stranger that comes near shall die.

Numbers 16:5-7

And he spoke to Korah and to all his company, saying, Even tomorrow Jehovah will show who are His, and him who is holy, and will cause him to come near to Him; even him whom He has chosen, He will cause to come near to Him.

Numbers 16:40

a memorial to the sons of Israel, that no stranger not of the seed of Aaron may come near to offer incense before Jehovah, so that he may not be as Korah and as his company, as Jehovah said to him by the hand of Moses.

Numbers 18:4-5

And they shall be joined to you, and keep the charge of the tabernacle of the congregation, for all the service of the tabernacle. And a stranger shall not come near you.

Numbers 18:20

And Jehovah said to Aaron, You shall have no inheritance in their land, neither shall you have any part among them. I am your part and your inheritance among the sons of Israel.

1 Samuel 2:28

And 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 before Me? And did I give to the house of your father all the offerings made by fire from the sons of Israel?

John 3:27

And John answered and said, A man can receive nothing unless it is given to him from Heaven.

Romans 15:15-16

But, brothers, I wrote to you boldly, as reminding you in part, because of the grace that is given to me by God,

Ephesians 3:8

This grace is given to me (who am less than the least of all saints) to preach the gospel of the unsearchable riches of Christ among the nations,

Hebrews 5:4

And no man takes this honor to himself, but he who is called of God, as Aaron was.

Hebrews 9:3-6

And after the second veil was a tabernacle which is called the Holy of Holies,

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
And you shall keep the charge of the sanctuary and the charge of the altar, so that there may be no wrath any more upon the sons of Israel.
Numbers 3:10
And you shall appoint Aaron and his sons, and they shall wait on their priest's office. And the stranger who comes near shall be put to death.

Within

Leviticus 16:2
and Jehovah said to Moses, Speak to Aaron your brother, that he does not come at all times into the sanctuary within the veil before the mercy-seat, which is on the Ark, so that he will not die. For I will appear in the cloud on the mercy-seat.
Hebrews 9:3
And after the second veil was a tabernacle which is called the Holy of Holies,

As a service

Numbers 16:5
And he spoke to Korah and to all his company, saying, Even tomorrow Jehovah will show who are His, and him who is holy, and will cause him to come near to Him; even him whom He has chosen, He will cause to come near to Him.
1 Samuel 2:28
And 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 before Me? And did I give to the house of your father all the offerings made by fire from the sons of Israel?
John 3:27
And John answered and said, A man can receive nothing unless it is given to him from Heaven.
Romans 15:15
But, brothers, I wrote to you boldly, as reminding you in part, because of the grace that is given to me by God,
Ephesians 3:8
This grace is given to me (who am less than the least of all saints) to preach the gospel of the unsearchable riches of Christ among the nations,
Hebrews 5:4
And no man takes this honor to himself, but he who is called of God, as Aaron was.

The stranger

Numbers 18:4
And they shall be joined to you, and keep the charge of the tabernacle of the congregation, for all the service of the tabernacle. And a stranger shall not come near you.
Numbers 3:38
And those who camp before the tabernacle toward the east, before the tabernacle of the congregation eastward, shall be Moses, and Aaron and his sons, keeping the charge of the sanctuary for the charge of the sons of Israel. And the stranger that comes near shall die.
Numbers 16:40
a memorial to the sons of Israel, that no stranger not of the seed of Aaron may come near to offer incense before Jehovah, so that he may not be as Korah and as his company, as Jehovah said to him by the hand of Moses.

General references

Numbers 3:9
And you shall give the Levites to Aaron and to his son. They are wholly given to him out of the sons of Israel.
Numbers 17:3
And you shall write Aaron's name upon the rod of Levi. For one rod shall be for the head of the house of their fathers.
Psalm 115:10
O house of Aaron, trust in Jehovah; He is their help and their shield.