6 Bible Verses about Atonement, Made Once

He has no need to offer sacrifices every day like high priests do, first for his own sins and then for those of the people, since he did this once for all when he sacrificed himself.

For the Messiah did not go into a sanctuary made by human hands that is merely a copy of the true one, but into heaven itself, to appear now in God's presence on our behalf. Nor did he go into heaven to sacrifice himself again and again, the way the high priest goes into the Holy Place every year with blood that is not his own. Then he would have had to suffer repeatedly since the creation of the world. But now, at the end of the ages, he has appeared once for all to remove sin by his sacrifice. read more.
Indeed, just as people are destined to die once and after that to be judged, so the Messiah was sacrificed once to take away the sins of many people. And he will appear a second time, not to deal with sin, but to bring salvation to those who eagerly wait for him.

By God's will we have been sanctified once and for all through the sacrifice of the body of Jesus, the Messiah.

But when this priest had offered for all time one sacrifice for sins, "he sat down at the right hand of God."

For by a single offering he has perfected for all time those who are being sanctified.

For the Messiah also suffered for sins once for all, an innocent person for the guilty, so that he could bring you to God. He was put to death in a mortal body but was brought to life by the Spirit,