“Then bring near to you your brother Aaron and his sons with him, from among the Israelites, to serve me as priests—Aaron and Aaron’s sons: Nadab and Abihu, Eleazar and Ithamar.
a reminder to the Israelites that no outsider, who is not of the descendants of Aaron, shall approach to offer incense before the Lord, so as not to become like Korah and his congregation, just as the Lord had said to him through Moses.
Then he spoke to Korah and all his congregation, saying, “In the morning the Lord will make known who is his and who is holy and who will be allowed to approach him; the one whom he will choose he will allow to approach him.
they withstood King Uzziah and said to him, “It is not for you, Uzziah, to make offering to the Lord, but for the priests the descendants of Aaron, who are consecrated to make offering. Go out of the sanctuary, for you have acted unfaithfully, and it will bring you no honor from the Lord God.”
The sons of Amram: Aaron and Moses. Aaron was set apart to consecrate the most holy things, so that he and his sons forever should make offerings before the Lord and minister to him and pronounce blessings in his name forever,
But you and your sons with you shall diligently perform your priestly duties in all that concerns the altar and the area behind the curtain. I give your priesthood as a gift; any outsider who approaches shall be put to death.”
and tomorrow put fire in them, and lay incense on them before the Lord, and the man whom the Lord chooses shall be the holy one. You Levites have gone too far!”
“Take Aaron and his sons with him, the vestments, the anointing oil, the bull for the purification offering, the two rams, and the basket of unleavened bread;