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Salvation · The Heart of the Gospel
A cross was the most shameful, agonizing death the ancient world could invent, and it is the center of the Christian faith. Why would the Son of God die that way? What did it actually accomplish? And why did Paul say he would glory in nothing else? This is the meaning of the cross.
Chosen on Purpose
Rome reserved crucifixion for slaves and rebels; it was designed to be as public, prolonged, and shameful as possible. But for a Jewish audience there was something even heavier about death on a tree. The Law had said, "he that is hanged is accursed of God" (Deuteronomy 21:23). To hang on a tree was to be marked as cursed. And that is exactly the point Paul seizes:
"Christ hath redeemed us from the curse of the law, being made a curse for us: for it is written, Cursed is every one that hangeth on a tree."Galatians 3:13 KJV
The word for curse is katara, the very opposite of blessing. The curse that our sin deserved, Jesus took onto Himself on the tree. He did not merely die a painful death; He stepped into the place of the accursed, so that the curse would fall on Him instead of us. He endured "the cross, despising the shame" (Hebrews 12:2), and chose it deliberately.
Why the Cross
At the heart of the cross is a substitution: Jesus took what was ours, so that we could receive what was His. The prophets saw it centuries before: "he was wounded for our transgressions, he was bruised for our iniquities... and the LORD hath laid on him the iniquity of us all" (Isaiah 53:5–6). Peter says it plainly: Jesus "his own self bare our sins in his own body on the tree" (1 Peter 2:24). And Paul states the exchange in one breathtaking sentence:
"For he hath made him to be sin for us, who knew no sin; that we might be made the righteousness of God in him."2 Corinthians 5:21 KJV
Read it slowly. The sinless One was treated as sin, so that sinners could be treated as righteous. He got our record; we get His. This is why the cross was not a tragedy that happened to Jesus but a rescue He accomplished: "Christ died for our sins according to the scriptures" (1 Corinthians 15:3). Not merely as an example, and not merely as a martyr, but in our place.
More Than We Realize
The New Testament piles up what the death of Jesus achieved. It reconciled us to God, "we were reconciled to God by the death of his Son" (Romans 5:10), "having made peace through the blood of his cross" (Colossians 1:20). It cancelled our debt. Paul uses a vivid legal picture:
"Blotting out the handwriting of ordinances that was against us, which was contrary to us, and took it out of the way, nailing it to his cross."Colossians 2:14 KJV
The "handwriting" is the Greek cheirographon, a handwritten certificate of debt, an IOU with our name on it, the record of everything we owed and could never pay. God did not tear it up quietly; He nailed it to the cross of Jesus, marking the debt paid in full. And in the same act the cross was a victory: "having spoiled principalities and powers, he made a shew of them openly, triumphing over them in it" (Colossians 2:15). What looked like Jesus' defeat was actually the disarming and public defeat of sin, death, and every dark power. On the cross He cried, "It is finished" (John 19:30), one Greek word, tetelestai, meaning the work was fully completed and accomplished, nothing left to add.
Foolishness or Power
The cross has always divided people. To human pride it looks absurd, that a crucified man could be the Savior of the world. Paul knew it: "we preach Christ crucified, unto the Jews a stumblingblock, and unto the Greeks foolishness" (1 Corinthians 1:23). Yet that same cross is where God's power breaks in:
"For the preaching of the cross is to them that perish foolishness; but unto us which are saved it is the power of God."1 Corinthians 1:18 KJV
"Power" there is dunamis, God's mighty, saving power. The message that looks weakest is the very place God's strength is unleashed to save. That is why Paul, who could have boasted in many things, refused to glory in anything else: "God forbid that I should glory, save in the cross of our Lord Jesus Christ" (Galatians 6:14). And do not miss who hung there: not merely a good man, but "the Lord of glory" (1 Corinthians 2:8), God Himself manifest in the flesh. That is what makes the cross infinite in worth.
Where It Lands
The cross is finished; there is nothing to add to it. But its benefits, like the blood it shed, must be received, not merely admired. So how does a person come into what the cross accomplished?
The New Testament answer is striking: you are united to His death by obeying the gospel. Paul writes, "so many of us as were baptized into Jesus Christ were baptized into his death. Therefore we are buried with him by baptism into death: that... even so we also should walk in newness of life" (Romans 6:3–4). In repentance you turn from sin; in baptism in the name of Jesus you are joined to His death and burial, your old life going down into the water; and rising, you receive His Spirit and walk in new life (Acts 2:38). That is how the once-for-all cross becomes your own. And it does not stop at a moment: the cross becomes a daily posture. "I am crucified with Christ: nevertheless I live; yet not I, but Christ liveth in me" (Galatians 2:20), and Jesus said, "let him deny himself, and take up his cross daily, and follow me" (Luke 9:23). The cross both saves you and shapes you: you die to self so that Christ may live in you.
For You
Whatever you have done, look at what the cross says about it: your debt was real, but it has been nailed to His cross and marked paid. You do not have to carry the certificate of your sins anymore; He carried it for you. If you have never come into the good of the cross, come now, repent, be baptized in Jesus' name, and be joined to His death and resurrection. Let the exchange be yours: your sin for His righteousness.
And if you are His, live in the shadow of the cross every day. Glory in nothing else. When you are tempted to boast, boast in Christ crucified. When you are tempted by the flesh, remember you were crucified with Him, and take up your cross again today. The cross is not only where you were saved; it is where you learn to live, dying to self so that Christ may live through you.
Carry It With You
Galatians 6:14 KJV
"But God forbid that I should glory, save in the cross of our Lord Jesus Christ, by whom the world is crucified unto me, and I unto the world."
For the Scriptural Notes
Scripture is quoted from the KJV. This study is built from the biblical text on the death of Christ. For more on the blood the cross shed, see the study "The Blood of Jesus."
Keep Growing
Transformation is not a one-time event; it is a walk you grow in for the rest of your life. "God Made You On Purpose" is a free, step-by-step discipleship course that takes you from why you were made, through repentance and baptism in Jesus' name, to being filled with the Holy Spirit and being changed by Him day by day.
The Next Step
Jesus didn't simply call people to learn. He called people to follow Him. Discover what the Bible teaches about repentance, baptism in Jesus' name, receiving the Holy Spirit, and walking in new life.
"Repent, and let every one of you be baptized in the name of Jesus Christ for the remission of sins; and you shall receive the gift of the Holy Spirit."
Acts 2:38 NKJV
Turn from sin and surrender your whole heart to God.
For the remission of sins -- every New Testament baptism was in His name.
The promise is to you and to your children, and to all who are far off (Acts 2:39).
Want to know what the Bible teaches about salvation?