Romans 5:10-11

For if, being enemies, we have been reconciled to God by the death of his son, much more, having been reconciled, shall we be saved by his life.

Hebrews 9:12

nor by the blood of goats and of calves, but by his own blood, he entered once for all into the holies, having obtained eternal redemption.

Hebrews 9:26

(for in that case he must have suffered often since the foundation of the world:) but now once for all at the consummation of the ages hath he been manifested for the abolishing sin by the sacrifice of himself.

Hebrews 10:10

By the which will we are sanctified through the oblation of the body of Jesus Christ, once for all.

Hebrews 10:14

For by one oblation he hath made those perfect for ever who are sanctified.

1 John 2:2

and he himself is the propitiatory victim for our sins: and indeed not for ours only, but for the whole world.

1 John 4:10

Herein is love, not that we have loved God, but that he hath loved us, and sent his Son to be the propitiatory sacrifice for our sins.

1 John 5:6

This is he who came by water and blood, Jesus the Messiah; not by the water only, but by the water and the blood: and the Spirit is the witnessing person, because the Spirit is the truth.

Treasury of Scripture Knowledge

Summary

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.

Bible References

General references

Romans 5:10
For if, being enemies, we have been reconciled to God by the death of his son, much more, having been reconciled, shall we be saved by his life.
Hebrews 9:12
nor by the blood of goats and of calves, but by his own blood, he entered once for all into the holies, having obtained eternal redemption.
Hebrews 10:10
By the which will we are sanctified through the oblation of the body of Jesus Christ, once for all.
1 John 2:2
and he himself is the propitiatory victim for our sins: and indeed not for ours only, but for the whole world.
1 John 4:10
Herein is love, not that we have loved God, but that he hath loved us, and sent his Son to be the propitiatory sacrifice for our sins.
1 John 5:6
This is he who came by water and blood, Jesus the Messiah; not by the water only, but by the water and the blood: and the Spirit is the witnessing person, because the Spirit is the truth.