Hebrews 5:4

and no one to himself doth take the honour, but he who is called by God, as also Aaron:

Exodus 28:1

And thou, bring thou near unto thee Aaron thy brother, and his sons with him, from the midst of the sons of Israel, for his being priest to Me, even Aaron, Nadab, and Abihu, Eleazar and Ithamar, sons of Aaron;

Numbers 16:40

a memorial to the sons of Israel, so that a stranger who is not of the seed of Aaron doth not draw near to make a perfume before Jehovah, and is not as Korah, and as his company, -- as Jehovah hath spoken by the hand of Moses to him.

1 Chronicles 23:13

Sons of Amram: Aaron and Moses; and Aaron is separated for his sanctifying the holy of holies, he and his sons -- unto the age, to make perfume before Jehovah, to serve Him, and to bless in His name -- unto the age.

2 Chronicles 26:18

and they stand up against Uzziah the king, and say to him, 'Not for thee, O Uzziah, to make perfume to Jehovah, but for priests, sons of Aaron, who are sanctified to make perfume; go forth from the sanctuary, for thou hast trespassed, and it is not to thee for honour from Jehovah God.'

Numbers 16:5

and he speaketh unto Korah, and unto all his company, saying, 'Morning! -- and Jehovah is knowing those who are his, and him who is holy, and hath brought near unto Him; even him whom He doth fix on He bringeth near unto Him.

Numbers 3:3

these are the names of the sons of Aaron, the anointed priests, whose hand he hath consecrated for acting as priest.

Numbers 16:7

and put in them fire, and put on them perfume, before Jehovah to-morrow, and it hath been, the man whom Jehovah chooseth, he is the holy one; -- enough of you, sons of Levi.'

Numbers 16:10

yea, He doth bring thee near, and all thy brethren the sons of Levi with thee -- and ye have sought also the priesthood!

Numbers 16:35

and fire hath come out from Jehovah, and consumeth the two hundred and fifty men bringing near the perfume.

Numbers 16:46-48

and Moses saith unto Aaron, 'Take the censer, and put on it fire from off the altar, and place perfume, and go, hasten unto the company, and make atonement for them, for the wrath hath gone out from the presence of Jehovah -- the plague hath begun.'

Numbers 17:3-11

and Aaron's name thou dost write on the tribe of Levi; for one rod is for the head of their fathers' house:

Numbers 18:1-5

And Jehovah saith unto Aaron, 'Thou, and thy sons, and the house of thy father with thee, do bear the iniquity of the sanctuary; and thou, and thy sons with thee, do bear the iniquity of your priesthood;

Numbers 18:7

and thou, and thy sons with thee, do keep your priesthood, for everything of the altar, and within the vail, and ye have served; a service of gift I make your priesthood; and the stranger who is coming near is put to death.'

John 3:27

John answered and said, 'A man is not able to receive anything, if it may not have been given him from the heaven;

Leviticus 8:2

'Take Aaron and his sons with him, and the garments, and the anointing oil, and the bullock of the sin-offering, and the two rams, and the basket of unleavened things,

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 thou, bring thou near unto thee Aaron thy brother, and his sons with him, from the midst of the sons of Israel, for his being priest to Me, even Aaron, Nadab, and Abihu, Eleazar and Ithamar, sons of Aaron;
Leviticus 8:2
'Take Aaron and his sons with him, and the garments, and the anointing oil, and the bullock of the sin-offering, and the two rams, and the basket of unleavened things,
Numbers 3:3
these are the names of the sons of Aaron, the anointed priests, whose hand he hath consecrated for acting as priest.
Numbers 16:5
and he speaketh unto Korah, and unto all his company, saying, 'Morning! -- and Jehovah is knowing those who are his, and him who is holy, and hath brought near unto Him; even him whom He doth fix on He bringeth near unto Him.
Numbers 17:3
and Aaron's name thou dost write on the tribe of Levi; for one rod is for the head of their fathers' house:
Numbers 18:1
And Jehovah saith unto Aaron, 'Thou, and thy sons, and the house of thy father with thee, do bear the iniquity of the sanctuary; and thou, and thy sons with thee, do bear the iniquity of your priesthood;
1 Chronicles 23:13
Sons of Amram: Aaron and Moses; and Aaron is separated for his sanctifying the holy of holies, he and his sons -- unto the age, to make perfume before Jehovah, to serve Him, and to bless in His name -- unto the age.
2 Chronicles 26:18
and they stand up against Uzziah the king, and say to him, 'Not for thee, O Uzziah, to make perfume to Jehovah, but for priests, sons of Aaron, who are sanctified to make perfume; go forth from the sanctuary, for thou hast trespassed, and it is not to thee for honour from Jehovah God.'
John 3:27
John answered and said, 'A man is not able to receive anything, if it may not have been given him from the heaven;