6 Bible Verses about Atonement, Made Once

who needs not daily, as those high priests, to offer up sacrifice, first for his own sins and then for the people's; for this he did once, when he offered up himself.

For Christ is not entered into the sanctuary made with hands (which is a figure of the true), but into the heaven itself, now to appear in the presence of God for us, nor yet that he should offer himself many times (as the high priest enters into the sanctuary each year with blood that is not his own); otherwise it would have been necessary for him to suffer many times since the foundation of the world; but now once in the consummation of the ages he has appeared to abolish sin by the sacrifice of himself.read more.
And as it is appointed unto men to die once, and after this the judgment; so also the Christ is offered once to take away the sins of many; and unto those that wait for him without sin he shall appear the second time unto saving health.

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

but this man, after he had offered one sacrifice for sins for ever, is seated at the right hand of God,

For by one offering he has perfected for ever those that are sanctified.

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