Numbers 18:7

But thou and thy sons with thee shall attend to your priesthood for all that concerneth the altar, and for that which is inside the veil; and ye shall perform the service: I give you your priesthood as a service of gift, and the stranger that cometh near shall be put to death.

Numbers 3:10

And Aaron and his sons shalt thou appoint that they may attend to their priest's office; and the stranger that cometh near shall be put to death.

Exodus 29:9

And thou shalt gird them with the girdle Aaron and his sons, and bind the high caps on them; and the priesthood shall be theirs for an everlasting statute; and thou shalt consecrate Aaron and his sons.

Leviticus 16:2

and Jehovah said to Moses, Speak unto Aaron thy brother, that he come not at all times into the sanctuary inside the veil before the mercy-seat which is upon the ark, that he die not; for I will appear in the cloud upon the mercy-seat.

Leviticus 16:12-14

And he shall take the censer full of burning coals of fire from off the altar before Jehovah, and both his hands full of fragrant incense beaten small, and bring it inside the veil.

Numbers 1:51

and when the tabernacle setteth forward, the Levites shall take it down; and when the tabernacle encampeth, the Levites shall set it up; and the stranger that cometh near shall be put to death.

Numbers 3:38

And those who encamped before the tabernacle eastward, before the tent of meeting toward the sunrising, were Moses, and Aaron and his sons, who kept the charge of the sanctuary for the charge of the children of Israel; and the stranger that cometh near shall be put to death.

Numbers 16:5-7

And he spoke to Korah and to all his band, saying, Even to-morrow will Jehovah make known who is his, and who is holy; and he will cause him to come near to him; and him whom he has chosen, him will he cause to come near to him.

Numbers 16:40

as a memorial to the children of Israel, that no stranger who is not of the seed of Aaron come near to burn incense before Jehovah, that he be not as Korah, and as his band, as Jehovah had said to him through Moses.

Numbers 18:4-5

And they shall unite with thee, and keep the charge of the tent of meeting, for all the service of the tent; and no stranger shall come near to you.

Numbers 18:20

And Jehovah said to Aaron, In their land thou shalt have no inheritance, neither shalt thou have any portion among them: I am thy portion and thine inheritance among the children of Israel.

1 Samuel 2:28

and choose him out of all the tribes of Israel, to be my priest, to offer upon mine altar, to burn incense, to wear the ephod before me? and I gave unto the house of thy father all the offerings by fire of the children of Israel.

John 3:27

John answered and said, A man can receive nothing unless it be given him out of heaven.

Romans 15:15-16

But I have written to you the more boldly, brethren, in part, as putting you in mind, because of the grace given to me by God,

Ephesians 3:8

To me, less than the least of all saints, has this grace been given, to announce among the nations the glad tidings of the unsearchable riches of the Christ,

Hebrews 5:4

And no one takes the honour to himself but as called by God, even as Aaron also.

Hebrews 9:3-6

but after the second veil a tabernacle which is called 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 ye shall keep the charge of the sanctuary, and the charge of the altar; that there come no wrath any more upon the children of Israel.
Numbers 3:10
And Aaron and his sons shalt thou appoint that they may attend to their priest's office; and the stranger that cometh near shall be put to death.

Within

Leviticus 16:2
and Jehovah said to Moses, Speak unto Aaron thy brother, that he come not at all times into the sanctuary inside the veil before the mercy-seat which is upon the ark, that he die not; for I will appear in the cloud upon the mercy-seat.
Hebrews 9:3
but after the second veil a tabernacle which is called Holy of holies,

As a service

Numbers 16:5
And he spoke to Korah and to all his band, saying, Even to-morrow will Jehovah make known who is his, and who is holy; and he will cause him to come near to him; and him whom he has chosen, him will he cause to come near to him.
1 Samuel 2:28
and choose him out of all the tribes of Israel, to be my priest, to offer upon mine altar, to burn incense, to wear the ephod before me? and I gave unto the house of thy father all the offerings by fire of the children of Israel.
John 3:27
John answered and said, A man can receive nothing unless it be given him out of heaven.
Romans 15:15
But I have written to you the more boldly, brethren, in part, as putting you in mind, because of the grace given to me by God,
Ephesians 3:8
To me, less than the least of all saints, has this grace been given, to announce among the nations the glad tidings of the unsearchable riches of the Christ,
Hebrews 5:4
And no one takes the honour to himself but as called by God, even as Aaron also.

The stranger

Numbers 18:4
And they shall unite with thee, and keep the charge of the tent of meeting, for all the service of the tent; and no stranger shall come near to you.
Numbers 3:38
And those who encamped before the tabernacle eastward, before the tent of meeting toward the sunrising, were Moses, and Aaron and his sons, who kept the charge of the sanctuary for the charge of the children of Israel; and the stranger that cometh near shall be put to death.
Numbers 16:40
as a memorial to the children of Israel, that no stranger who is not of the seed of Aaron come near to burn incense before Jehovah, that he be not as Korah, and as his band, as Jehovah had said to him through Moses.

General references

Numbers 3:9
And thou shalt give the Levites to Aaron and to his sons: they are wholly given to him out of the children of Israel.
Numbers 17:3
And Aaron's name shalt thou write upon the staff of Levi; for one staff shall be for each head of their fathers' houses.
Psalm 115:10
House of Aaron, confide in Jehovah: he is their help and their shield.