6 Bible Verses about Atonement, Made Once

who hath not daily need, as the high-priests, first, to offer sacrifice for their own sins, afterwards, for those of the people: for this he did once for all, when he offered up himself.

For Christ is not entered into the holies made with hands, the antitypes of the true; but into heaven itself, now to appear before the presence of God for us: and not that he should often offer up himself in sacrifice, as the high-priest enters every year into the holies with blood not his own, (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.read more.
And forasmuch as it is appointed to men once to die, but after this the judgment, so Christ having been once offered in sacrifice to bear the sins of men, will appear the second time without sin, to those who expect him, for their salvation.

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

but this person, having offered one sacrifice for sins, for ever hath seated himself at the right hand of God;

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

For Christ also suffered once for sins, the just for the unjust, that he might bring us to God, put to death indeed in the flesh, but raised to life by the Spirit: