6 Bible Verses about Atonement, Made Once

who has no need daily as the chief priests first to present sacrifices for their sins, then for those of the people; for this he did once for all, having offered himself.

For Christ did not enter into the sanctuary made with hands, a type of the true, but into heaven itself, and already has appeared before God for us, not that he may often present himself, as the chief priest enters into the sanctuary once a year with the blood of another [being]; since it was necessary that it should suffer often from the foundation of the world, but now once at the consummation of the world he has been manifested to destroy sins by the sacrifice of himself.read more.
And as it is appointed to men once to die, but after this is the judgment, so also Christ having been once offered to bear the sins of many, shall appear a second time without sin, to those who look for him for salvation.

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

but this [priest] having offered one sacrifice forever for sins, sat down on the right hand of God,

For by one offering he has perfected forever the sanctified.

For Christ also suffered once for sins, the just for the unjust, that he might lead us to God, being put to death in the flesh but made alive in the spirit,