6 Bible Verses about Atonement, Made Once

who doesn't need, like those high priests, to offer up sacrifices daily, first for his own sins, and then for the sins of the people. For he did this once for all, when he offered up himself.

For Christ hasn't entered into holy places made with hands, which are representations 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, as the high priest enters into the holy place year by year with blood not his own, or else he must have suffered often since the foundation of the world. But now once at the end of the ages, he has been revealed to put away sin by the sacrifice of himself.read more.
Inasmuch as it is appointed for men to die once, and after this, judgment, so Christ also, having been offered once to bear the sins of many, will appear a second time, without sin, to those who are eagerly waiting for him for salvation.

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

but he, when he had offered one sacrifice for sins forever, sat down on the right hand of God;

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

Because Christ also suffered for sins once, the righteous for the unrighteous, that he might bring you to God; being put to death in the flesh, but made alive in the spirit;