Hebrews 5:1
For every high priest taken from among men is ordained for men in things pertaining to God, that he may offer both gifts and sacrifices for sins:
Hebrews 8:3
For every high priest is ordained to offer gifts and sacrifices: therefore it is of necessity that this man have something also to offer.
Hebrews 10:11
And every priest stands daily ministering and offering frequently the same sacrifices, which can never take away sins:
Hebrews 2:17
Therefore in all things he had to be made like unto his brethren, that he might be a merciful and faithful high priest in things pertaining to God, to make reconciliation for the sins of the people.
Hebrews 9:9
Which was a figure for the time then present, in which were offered both gifts and sacrifices, that could not make him that did the service perfect, as pertaining to the conscience;
Hebrews 7:27
Who needs not daily, as those high priests, to offer up sacrifice, first for his own sins, and then for the people's: for this he did once, when he offered up himself.
Hebrews 11:4
By faith Abel offered unto God a more excellent sacrifice than Cain, by which he obtained witness that he was righteous, God testifying of his gifts: and by it he being dead yet speaks.
Exodus 28:1-14
And take unto you Aaron your brother, and his sons with him, from among the children of Israel, that he may minister unto me in the priest's office, even Aaron, Nadab and Abihu, Eleazar and Ithamar, Aaron's sons.
Exodus 29:1-37
And this is the thing that you shall do unto them to hallow them, to minister unto me in the priest's office: Take one young bullock, and two rams without blemish,
Leviticus 8:2
Take Aaron and his sons with him, and the garments, and the anointing oil, and a bullock for the sin offering, and two rams, and a basket of unleavened bread;
Leviticus 9:7
And Moses said unto Aaron, Go unto the altar, and offer your sin offering, and your burnt offering, and make an atonement for yourself, and for the people: and offer the offering of the people, and make an atonement for them; as the LORD commanded.
Leviticus 9:15-21
And he brought the people's offering, and took the goat, which was the sin offering for the people, and slew it, and offered it for sin, as the first.
Numbers 16:46-48
And Moses said unto Aaron, Take a censer, and put fire therein from off the altar, and put on incense, and go quickly unto the congregation, and make an atonement for them: for there is wrath gone out from the LORD; the plague has begun.
Numbers 18:1-3
And the LORD said unto Aaron, You and your sons and your father's house with you shall bear the iniquity in connection with the sanctuary: and you and your sons with you shall bear the iniquity in connection with your priesthood.