and through him to reconcile all things to himself, by him, whether things on the earth, or things in the heavens, having made peace through the blood of his cross.

Reconciled

Not only so, but we also rejoice in God through our Lord Jesus Christ, through whom we have now received the reconciliation.

No sin offering, of which any of the blood is brought into the Tent of Meeting to make atonement in the Holy Place, shall be eaten: it shall be burned with fire.

and the priests killed them, and they made a sin offering with their blood on the altar, to make atonement for all Israel; for the king commanded that the burnt offering and the sin offering should be made for all Israel.

So you shall do on the seventh day of the month for everyone who errs, and for him who is simple: so you shall make atonement for the house.

Seventy weeks are decreed on your people and on your holy city, to put an end to the transgression, and to make an end to sin, and to atone for iniquity, and to bring in everlasting righteousness, and to seal up vision and prophecy, and to anoint the most holy place.

and might reconcile them both in one body to God through the cross, by which he put to death their enmity.

Therefore he was obligated in all things to be made like his brothers, that he might become a merciful and faithful high priest in things pertaining to God, to make atonement for the sins of the people.

General references

You shall do no manner of work in that same day; for it is a day of atonement, to make atonement for you before the LORD your God.

one young bull, one ram, one male lamb a year old, for a burnt offering;