Atonement
- Bible Believing Christian
- Jul 22
- 5 min read
Updated: Aug 1
Introduction: Why Did Jesus Have to Die?
It’s the most central question in Christianity—and yet one that modern theology often dodges or sentimentalizes: Why did Jesus have to die? Was it just to show love? To defeat evil? To inspire sacrifice?
The biblical answer is far more profound—and far more offensive to human pride.
Jesus died because atonement was necessary. Because sin is real, and God is holy, and justice must be satisfied.
Atonement is not a relic of Old Testament religion. It’s the foundation of the Gospel. Without it, Christianity is just a collection of moral suggestions and martyr stories. With it, the cross becomes the only bridge between a sinful humanity and a holy God.
The Meaning of Atonement: Making What Was Broken Whole
The English word atonement comes from the phrase “at-one-ment”—a reconciliation or reuniting. It refers to the act by which sin is covered, guilt is removed, and peace is restored between God and man.
But in biblical terms, atonement isn’t achieved through good intentions. It comes through blood.
“Without the shedding of blood, there is no forgiveness.” — Hebrews 9:22 (NLT)
This wasn’t a primitive superstition. It was a spiritual law: life must be given for sin to be forgiven.
Old Testament Foundations: The Day of Atonement
In the Old Testament, atonement was woven into the entire sacrificial system—but especially embodied in one event: Yom Kippur, the Day of Atonement.
“On that day offerings of purification will be made for you, and you will be purified in the LORD’s presence from all your sins.” — Leviticus 16:30 (NLT)
The Hebrew word for atonement here is כִּפֻּרִים (kippurim) – Strong’s H3725 – derived from the root כָּפַר (kaphar) – Strong’s H3722, meaning “to cover, purge, or make reconciliation.”
On this day, the high priest would:
Offer a sacrifice for his own sins
Enter the Holy of Holies with blood to sprinkle on the mercy seat
Sacrifice a second animal on behalf of the people
Symbolically place sins on a scapegoat and send it into the wilderness
The symbolism was striking. Guilt transferred. Blood shed. Sin carried away. It was a visible drama declaring that sin demands death—and that mercy costs blood.
But the system was incomplete. Every year, the ritual had to be repeated. Every year, sin still hung in the air.
The Cross as Fulfillment: Atonement Once and For All
The New Testament declares what the Old foreshadowed: Jesus is our final and complete atonement.
“For God presented Jesus as the sacrifice for sin. People are made right with God when they believe that Jesus sacrificed his life, shedding his blood.” — Romans 3:25 (NLT)
The Greek word used for “sacrifice” or “propitiation” here is ἱλαστήριον (hilastērion) – Strong’s G2435 – meaning “mercy seat” or “atoning sacrifice.” It’s the same word used in the Greek Septuagint for the lid of the Ark of the Covenant—the very place the high priest would sprinkle blood on Yom Kippur.
Paul is saying: Jesus is now the mercy seat. His body is the meeting place between holy justice and divine mercy.
Propitiation vs. Expiation: What Was Atonement Actually For?
Two terms often get debated in theological circles:
Expiation = the removal or cleansing of sin
Propitiation = the appeasement of wrath
Modern thinkers often prefer “expiation,” because it feels less primitive. But Scripture is clear: atonement is not just about removing sin—it’s about satisfying God's wrath against sin.
“But God shows his anger from heaven against all sinful, wicked people who suppress the truth by their wickedness.” — Romans 1:18 (NLT)
“He himself is the sacrifice that atones for our sins—and not only our sins but the sins of all the world.” — 1 John 2:2 (NLT)
The cross was not just about cleaning us—it was about upholding God’s justice. God didn’t overlook sin. He punished it—in Christ.
Substitution: The Heart of Atonement
Atonement is not a vague concept of love or inspiration. It is substitution.
“He personally carried our sins in his body on the cross so that we can be dead to sin and live for what is right.” — 1 Peter 2:24 (NLT)
“Christ suffered for our sins once for all time. He never sinned, but he died for sinners to bring you safely home to God.” — 1 Peter 3:18 (NLT)
Jesus didn’t just die for sin. He died in our place—bearing our guilt, absorbing our punishment, drinking the cup of wrath we earned.
Isaiah foresaw this:
“But he was pierced for our rebellion, crushed for our sins. He was beaten so we could be whole. He was whipped so we could be healed.” — Isaiah 53:5 (NLT)
This is not abstract theology. It is the center of the Gospel: Christ died instead of us—so that we might live instead of dying.
Reconciliation: What Atonement Accomplishes
Atonement doesn’t just remove guilt. It restores relationship.
“For God was in Christ, reconciling the world to himself, no longer counting people’s sins against them.” — 2 Corinthians 5:19 (NLT)
“So now we can rejoice in our wonderful new relationship with God because our Lord Jesus Christ has made us friends of God.” — Romans 5:11 (NLT)
The Greek word here is καταλλαγή (katallagē) – Strong’s G2643 – meaning “reconciliation, exchange of hostility for friendship.”
Atonement does not just cancel debt—it restores fellowship. The blood of Christ doesn't just clean the record; it opens the door to God.
The Necessity of Blood
Modern Christianity often minimizes the seriousness of sin and the cost of justice. But Scripture does not:
“For the life of the body is in its blood. I have given you the blood on the altar to purify you, making you right with the LORD. It is the blood, given in exchange for a life, that makes purification possible.” — Leviticus 17:11 (NLT)
This is echoed in the New Testament:
“Without the shedding of blood, there is no forgiveness.” — Hebrews 9:22 (NLT)
Atonement is not poetic. It is violent. It is bloody. And it is beautiful—because it shows that God takes sin seriously, loves sinners deeply, and satisfies justice completely.
Common Misunderstandings of Atonement
“Jesus died to show us how to love.”
No—He died because we didn’t. The cross is not just a symbol—it’s a substitutionary act of justice.
“God wouldn’t punish His own Son—that’s cosmic child abuse.”
No—Jesus is God. The cross was not a division in the Trinity. It was divine unity in redeeming the lost.
“I’m not that bad. Can’t God just forgive?”
Forgiveness always costs someone. If God forgave sin without justice, He would cease to be righteous.
Conclusion: The Cross Was the Only Way
Atonement means there was no other path. Not good behavior. Not spiritual awakening. Not moral reform.
“I am the way, the truth, and the life. No one can come to the Father except through me.” — John 14:6 (NLT)
Only Jesus lived without sin. Only He could bear the weight of the world’s guilt. Only His blood could satisfy justice. And only by believing in Him can we receive atonement.
“Yet God, in his grace, freely makes us right in his sight. He did this through Christ Jesus when he freed us from the penalty for our sins.” — Romans 3:24 (NLT)
That is atonement: God’s holiness upheld. God’s love revealed. God’s justice satisfied. And sinners made saints—by blood.