and you shall gird them with girdles and bind caps on them; and the priesthood shall be theirs by a perpetual statute. Thus you shall ordain Aaron and his sons.
In the tent of meeting, outside the veil which is before the testimony, Aaron and his sons shall tend it from evening to morning before the Lord. It shall be a statute for ever to be observed throughout their generations by the people of Israel.
“Then bring near to you Aaron your brother, and his sons with him, from among the people of Israel, to serve me as priests—Aaron and Aaron's sons, Nadab and Abihu, Eleazar and Ithamar.
And Moses said, “Today you have ordained yourselves for the service of the Lord, each one at the cost of his son and of his brother, that he may bestow a blessing upon you this day.”
and anoint them, as you anointed their father, that they may serve me as priests: and their anointing shall admit them to a perpetual priesthood throughout their generations.”
And you shall not go out from the door of the tent of meeting for seven days, until the days of your ordination are completed, for it will take seven days to ordain you.
to be a reminder to the people of Israel, so that no one who is not a priest, who is not of the descendants of Aaron, should draw near to burn incense before the Lord, lest he become as Korah and as his company—as the Lord said to Eleazar through Moses.
And you and your sons with you shall attend to your priesthood for all that concerns the altar and that is within the veil; and you shall serve. I give your priesthood as a gift, and any one else who comes near shall be put to death.”
and it shall be to him, and to his descendants after him, the covenant of a perpetual priesthood, because he was jealous for his God, and made atonement for the people of Israel.’ ”
Therefore the Lord the God of Israel declares: ‘I promised that your house and the house of your father should go in and out before me for ever’; but now the Lord declares: ‘Far be it from me; for those who honor me I will honor, and those who despise me shall be lightly esteemed.