Hebrews 5:4

And no man taketh honour unto himself, but he that is called of God, as was Aaron.

Exodus 28:1

And take thou unto thee, Aaron thy brother, and his sons with him, from among the children of Israel, that he may minister unto me: both Aaron, Nadab, Abihu, Eleazar and Ithamar, Aaron's sons.

Numbers 16:40

to be a remembrance unto the children of Israel, that no stranger which is not of the seed of Aaron, come near to offer cense before the LORD, that he be not made like unto Korah and his company: as the LORD said unto him by the hand of Moses.

1 Chronicles 23:13

The sons of Amram: Aaron and Moses. And Aaron was appointed to consecrate in the place most holy, with his sons forever: and to burn the offerings before the LORD, and to minister, and to bless in his name forever.

2 Chronicles 26:18

And they stepped to Uzziah the king and said to him, "It pertaineth not to thee, Uzziah, to burn cense unto the LORD; but to the priests the children of Aaron that are consecrated for to burn incense. Come out of the sanctuary, for thou hast trespassed, and it shall be no worship to thee before the LORD God."

Numbers 16:5

and spake unto Korah and unto all his company, saying, "Tomorrow the LORD will show who is his and who is holy, and will take them unto him, and whomsoever he hath chosen, he will cause to come to him.

Numbers 3:3

These are the names of the sons of Aaron which were priests anointed and their hands filled to minister,

Numbers 16:7

and do fire therein and put cense thereto before the LORD tomorrow: And then whomsoever the LORD doeth chose, the same is holy. Ye make enough to do, ye children of Levi."

Numbers 16:10

He hath taken thee to him and all thy brethren the sons of Levi with thee, and ye seek the office of the priest also.

Numbers 16:35

And there came out a fire from the LORD and consumed the two hundred and fifty men that offered cense.

Numbers 16:46-48

And Moses said unto Aaron, "Take a censer and put fire therein out of the altar, and pour on cense, and go quickly unto the congregation and make an atonement for them. For there is wrath gone out from the LORD, and there is a plague begun."

Numbers 17:3-11

And write Aaron's name upon the staff of Levi: for every headman over the houses of their fathers shall have a rod.

Numbers 18:1-5

And the LORD said unto Aaron, "Thou and thy sons and thy father's house with thee, shall bear the fault of that which is done amiss in the holy place. And thou and thy sons with thee, shall bear the fault of that which is done amiss in your priesthood.

Numbers 18:7

And see that both thou and thy sons with thee take heed unto your priests' office, in all things that pertain unto the altar and within the veil. And see that ye serve, for I have given your priests' office unto you for a gift to do service: and the stranger that cometh nigh, shall die."

John 3:27

John answered, and said, "A man can receive nothing at all except it be given him from heaven.

Leviticus 8:2

"Take Aaron and his sons with him, and the vestures and the anointing oil, and an ox for a sin offering and two rams and a basket of sweet bread:

Treasury of Scripture Knowledge

Summary

And no man taketh this honour unto himself, but he that is called of God, as was Aaron.

Bible References

General references

Exodus 28:1
And take thou unto thee, Aaron thy brother, and his sons with him, from among the children of Israel, that he may minister unto me: both Aaron, Nadab, Abihu, Eleazar and Ithamar, Aaron's sons.
Leviticus 8:2
"Take Aaron and his sons with him, and the vestures and the anointing oil, and an ox for a sin offering and two rams and a basket of sweet bread:
Numbers 3:3
These are the names of the sons of Aaron which were priests anointed and their hands filled to minister,
Numbers 16:5
and spake unto Korah and unto all his company, saying, "Tomorrow the LORD will show who is his and who is holy, and will take them unto him, and whomsoever he hath chosen, he will cause to come to him.
Numbers 17:3
And write Aaron's name upon the staff of Levi: for every headman over the houses of their fathers shall have a rod.
Numbers 18:1
And the LORD said unto Aaron, "Thou and thy sons and thy father's house with thee, shall bear the fault of that which is done amiss in the holy place. And thou and thy sons with thee, shall bear the fault of that which is done amiss in your priesthood.
1 Chronicles 23:13
The sons of Amram: Aaron and Moses. And Aaron was appointed to consecrate in the place most holy, with his sons forever: and to burn the offerings before the LORD, and to minister, and to bless in his name forever.
2 Chronicles 26:18
And they stepped to Uzziah the king and said to him, "It pertaineth not to thee, Uzziah, to burn cense unto the LORD; but to the priests the children of Aaron that are consecrated for to burn incense. Come out of the sanctuary, for thou hast trespassed, and it shall be no worship to thee before the LORD God."
John 3:27
John answered, and said, "A man can receive nothing at all except it be given him from heaven.