6 Bible Verses about Atonement, Made Once

who does not need, as those high priests, to offer up sacrifice daily, first for his own sins and then for the people's sins. For He did this once for all, when He offered up Himself.

For Christ has not entered into the Holy of Holies made with hands, which are the figures of the true, but into Heaven itself, now to appear in the presence of God for us. Nor yet that He should offer Himself often, even as the high priest enters into the Holy of Holies every year with the blood of others (for then He must have suffered often since the foundation of the world), but now once in the end of the world He has appeared to put away sin by the sacrifice of Himself.read more.
And as it is appointed to men once to die, but after this the judgment, so Christ was once offered to bear the sins of many. And to those who look for Him He shall appear the second time without sin to salvation.

By this will we are sanctified through the offering of the body of Jesus Christ once for all.

But this Man, after He had offered one sacrifice for sins forever, sat down on the right of God,

For by one offering He has perfected forever those who are sanctified.

For Christ also once suffered for sins, the just for the unjust, that He might bring us to God, indeed being put to death in the flesh, but made alive in the Spirit;