6 Bible Verses about Atonement, Made Once

Who has no necessity according to the day, as the chief priests, before to bring up sacrifices for their own sins, then for those of the people; for this he did once, having brought up himself.

For Christ came not into the holy places made with hands, the figures of the true; but into heaven itself, now to be shown clearly to the face of God for us: Neither that he should offer himself many times, as the chief priest comes in to the holy places yearly with blood pertaining to others; (Since he must have suffered many times from the foundation of the world:) but now once at the termination of the times for the annulling of sin by the sacrifice of himself has he been shown clearly.read more.
And inasmuch as it is reserved to men once to die, and after this the judgment: So Christ, once offered to have borne the sins of many, of the second time, without sin, shall be seen to them expecting him for salvation.

In which will we are consecrated by the bringing in of the body of Jesus Christ once.

But this, having brought in one sacrifice for sins forever, sat down on the right hand of God;

For by one offering has he perfected forever the consecrated.

For Christ also once suffered for sins, the just one for the unjust, that he might bring us near to God, truly put to death in the flesh, and made alive by the Spirit: