And ye shall do no work in that same day: for it is a day of atonement, to make an atonement for you before the LORD your God.
And this shall be an everlasting statute unto you, to make an atonement for the children of Israel for all their sins once a year. And he did as the LORD commanded Moses.
Yet it pleased the LORD to bruise him; he hath put him to grief: when thou shalt make his soul an offering for sin, he shall see his seed, he shall prolong his days, and the pleasure of the LORD shall prosper in his hand.
Seventy weeks are determined upon thy people and upon thy holy city, to finish the transgression, and to make an end of sins, and to make reconciliation for iniquity, and to bring in everlasting righteousness, and to seal up the vision and prophecy, and to anoint the most Holy.
For behold the stone that I have laid before Joshua; upon one stone shall be seven eyes: behold, I will engrave the graving thereof, saith the LORD of hosts, and I will remove the iniquity of that land in one day.
For if, when we were enemies, we were reconciled to God by the death of his Son, much more, being reconciled, we shall be saved by his life.
And not only so, but we also joy in God through our Lord Jesus Christ, by whom we have now received the atonement.
Neither by the blood of goats and calves, but by his own blood he entered in once into the holy place, having obtained eternal redemption for us.
For then must he often have suffered since the foundation of the world: but now once in the end of the world hath he appeared to put away sin by the sacrifice of himself.
By the which will we are sanctified through the offering of the body of Jesus Christ once for all.
For by one offering he hath perfected for ever them that are sanctified.
1 John 2:2
And he is the propitiation for our sins: and not for ours only, but also for the sins of the whole world.
1 John 4:10
Herein is love, not that we loved God, but that he loved us, and sent his Son to be the propitiation for our sins.
1 John 5:6
This is he that came by water and blood, even Jesus Christ; not by water only, but by water and blood. And it is the Spirit that beareth witness, because the Spirit is truth.