6 Bible Verses about Atonement, Made Once

who had not daily need, as the high priests, first to offer up sacrifices for their own sins, then those of the people: for he did this, having offered up himself once.

For Christ did not come into the sanctuaries made with hands, the pattern of the true; but into heaven itself, now to be made manifest unto the face of God in our behalf: neither in order that he may frequently offer up himself, as the high priest goes into the holies once a year with the blood of another; since it behooved him frequently to suffer from the foundation of the world: but now in the end of the ages he has been made manifest unto the removal of sin through the sacrifice of himself.read more.
And inasmuch as it is appointed unto men once to die, and after this is the judgment: so also Christ, having once been offered up to bear away the sins of many, will appear the second time apart from sin unto salvation to those expecting him.

by which will we have been sanctified through the offering of the body of Jesus Christ once for all.

and he, having offered up one sacrifice for sins, forever sat down on the right hand of God;

For by one offering he has forever perfected the sanctified.

Because Christ indeed once died for our sins, the just for the unjust, that he might bring us to God, indeed being put to death in the flesh, but quickened in spirit: