Exodus 29:35-37
This is what you are to do for Aaron and his sons based on all that I have commanded you, taking seven days to ordain them. / Sacrifice a bull as a sin offering each day for atonement. Purify the altar by making atonement for it, and anoint it to consecrate it. / For seven days you shall make atonement for the altar and consecrate it. Then the altar will become most holy; whatever touches the altar will be holy.

Hebrews 7:27
Unlike the other high priests, He does not need to offer daily sacrifices, first for His own sins and then for the sins of the people; He sacrificed for sin once for all when He offered up Himself.

Hebrews 10:10-12
And by that will, we have been sanctified through the sacrifice of the body of Jesus Christ once for all. / Day after day every priest stands to minister and to offer again and again the same sacrifices, which can never take away sins. / But when this Priest had offered for all time one sacrifice for sins, He sat down at the right hand of God.

Exodus 40:12-15
Then bring Aaron and his sons to the entrance to the Tent of Meeting and wash them with water. / And you are to clothe Aaron with the holy garments, anoint him, and consecrate him, so that he may serve Me as a priest. / Bring his sons forward and clothe them with tunics. ...

Numbers 3:3
These were Aaron’s sons, the anointed priests, who were ordained to serve as priests.

Hebrews 5:1-4
Every high priest is appointed from among men to represent them in matters relating to God, to offer gifts and sacrifices for sins. / He is able to deal gently with those who are ignorant and misguided, since he himself is subject to weakness. / That is why he is obligated to offer sacrifices for his own sins, as well as for the sins of the people. ...

Hebrews 9:11-14
But when Christ came as high priest of the good things that have come, He went through the greater and more perfect tabernacle that is not made by hands and is not a part of this creation. / He did not enter by the blood of goats and calves, but He entered the Most Holy Place once for all by His own blood, thus securing eternal redemption. / For if the blood of goats and bulls and the ashes of a heifer sprinkled on those who are ceremonially unclean sanctify them so that their bodies are clean, ...

Exodus 28:41
After you put these garments on your brother Aaron and his sons, anoint them, ordain them, and consecrate them so that they may serve Me as priests.

Numbers 8:5-22
Again the LORD spoke to Moses, saying, / “Take the Levites from among the Israelites and make them ceremonially clean. / This is what you must do to cleanse them: Sprinkle them with the water of purification. Have them shave their whole bodies and wash their clothes, and so purify themselves. ...

Hebrews 9:22-24
According to the law, in fact, nearly everything must be purified with blood, and without the shedding of blood there is no forgiveness. / So it was necessary for the copies of the heavenly things to be purified with these sacrifices, but the heavenly things themselves with better sacrifices than these. / For Christ did not enter a man-made copy of the true sanctuary, but He entered heaven itself, now to appear on our behalf in the presence of God.

1 Peter 2:5
you also, like living stones, are being built into a spiritual house to be a holy priesthood, offering spiritual sacrifices acceptable to God through Jesus Christ.

Exodus 29:1-9
“Now this is what you are to do to consecrate Aaron and his sons to serve Me as priests: Take a young bull and two rams without blemish, / along with unleavened bread, unleavened cakes mixed with oil, and unleavened wafers anointed with oil. Make them out of fine wheat flour, / put them in a basket, and present them in the basket, along with the bull and the two rams. ...

Hebrews 8:3-6
And since every high priest is appointed to offer both gifts and sacrifices, it was necessary for this One also to have something to offer. / Now if He were on earth, He would not be a priest, since there are already priests who offer gifts according to the law. / The place where they serve is a copy and shadow of what is in heaven. This is why Moses was warned when he was about to build the tabernacle: “See to it that you make everything according to the pattern shown you on the mountain.” ...

1 Peter 1:2
according to the foreknowledge of God the Father and sanctified by the Spirit for obedience to Jesus Christ and sprinkling by His blood: Grace and peace be yours in abundance.

Numbers 18:1-7
So the LORD said to Aaron, “You and your sons and your father’s house must bear the iniquity involving the sanctuary. And you and your sons alone must bear the iniquity involving your priesthood. / But bring with you also your brothers from the tribe of Levi, the tribe of your father, that they may join you and assist you and your sons before the Tent of the Testimony. / And they shall attend to your duties and to all the duties of the Tent; but they must not come near to the furnishings of the sanctuary or the altar, or both they and you will die. ...