What is substitutionary atonement?
Question 7098
Among the various ways Christians have understood what Jesus accomplished on the cross, one stands at the centre of evangelical faith: substitutionary atonement. This doctrine teaches that Jesus died in our place, taking the punishment that our sins deserved so that we might be forgiven. While some today question or reject this understanding, it remains the heart of the biblical Gospel and the historic Christian faith.
The Meaning of Substitution
Substitution is a simple concept: one person takes the place of another. In the context of the atonement, it means that Jesus took our place on the cross. The punishment that should have fallen on us fell on Him instead. He died so that we might live; He bore our condemnation so that we might receive His righteousness.
The classic statement of this doctrine comes from Isaiah 53, the fourth Servant Song, written some seven hundred years before Jesus’ birth. The prophet declares of the Suffering Servant: “Surely he has borne our griefs and carried our sorrows; yet we esteemed him stricken, smitten by God, and afflicted. But he was pierced for our transgressions; he was crushed for our iniquities; upon him was the chastisement that brought us peace, and with his wounds we are healed. All we like sheep have gone astray; we have turned—every one—to his own way; and the LORD has laid on him the iniquity of us all” (Isaiah 53:4-6).
Notice the consistent pattern: our griefs, our sorrows, our transgressions, our iniquities, but he bore them, he was pierced, he was crushed. The innocent one suffers in place of the guilty. The LORD lays on Him the iniquity of us all. This is substitution.
Substitution in the Old Testament
The principle of substitution runs throughout the Old Testament sacrificial system. When an Israelite brought a sin offering, he would lay his hand on the animal’s head, symbolically transferring his sin to the animal (Leviticus 4:29). The animal then died in his place. The offerer deserved death for his sin; the animal received that death instead.
On the Day of Atonement, the high priest would take two goats. One was sacrificed as a sin offering. The other, the scapegoat, had the sins of the people confessed over it: “And Aaron shall lay both his hands on the head of the live goat, and confess over it all the iniquities of the people of Israel, and all their transgressions, all their sins. And he shall put them on the head of the goat and send it away into the wilderness” (Leviticus 16:21). The goat carried the sins away, symbolising removal and bearing of guilt.
The Passover lamb was perhaps the clearest picture of substitution. In Egypt, death was coming to every household. Either the firstborn would die, or a lamb would die in his place. The lamb’s blood on the doorpost meant that death had already visited that home; the firstborn was spared because a substitute had died. Paul makes the connection explicit: “Christ, our Passover lamb, has been sacrificed” (1 Corinthians 5:7).
Jesus’ Teaching on His Own Death
Jesus understood His death in substitutionary terms. He declared, “The Son of Man came not to be served but to serve, and to give his life as a ransom for many” (Mark 10:45). A ransom is a price paid in place of someone to secure their release. The word “for” translates the Greek ἀντί (anti), which means “in place of” or “instead of.” Jesus gave His life in the place of many.
At the Last Supper, Jesus took the bread and said, “This is my body, which is given for you” (Luke 22:19). He took the cup and said, “This is my blood of the covenant, which is poured out for many for the forgiveness of sins” (Matthew 26:28). His body given, His blood poured out, for others, for their forgiveness. This is the language of substitution.
The Apostolic Teaching
The apostles consistently taught that Jesus died as our substitute. Paul writes, “For our sake he made him to be sin who knew no sin, so that in him we might become the righteousness of God” (2 Corinthians 5:21). Here is the great exchange: our sin is placed on Jesus; His righteousness is credited to us. He becomes what we were (sin) so that we might become what He is (righteous).
In Galatians, Paul explains, “Christ redeemed us from the curse of the law by becoming a curse for us—for it is written, ‘Cursed is everyone who is hanged on a tree'” (Galatians 3:13). The law’s curse rested on us because of our disobedience. Jesus took that curse upon Himself by dying on the cross, the accursed tree. He was cursed so that we might be blessed.
Peter writes, “He himself bore our sins in his body on the tree, that we might die to sin and live to righteousness. By his wounds you have been healed” (1 Peter 2:24). This directly echoes Isaiah 53 and makes clear that Jesus’ death was substitutionary: He bore our sins; by His wounds we are healed.
Penal Substitutionary Atonement
The full expression of this doctrine is often called “penal substitutionary atonement.” “Penal” refers to punishment. Jesus did not merely die as a substitute; He bore the penalty, the punishment, that our sins deserved. God’s justice required that sin be punished. Jesus received that punishment in our place.
Some object to this, claiming it makes God unjust or portrays Him as an angry deity who takes out His wrath on an innocent victim. But this misunderstands the doctrine entirely. First, Jesus is not a third party; He is God the Son, willingly offering Himself. The Father did not punish an unwilling victim; the Son laid down His life of His own accord (John 10:18). Second, Jesus was not an innocent bystander but our representative, who identified with us and stood in our place. Third, this was not cosmic child abuse but the Trinity working together in perfect love to save sinners.
As Paul explains in Romans 3:25-26, God put forward Jesus “as a propitiation by his blood, to be received by faith. This was to show God’s righteousness, because in his divine forbearance he had passed over former sins. It was to show his righteousness at the present time, so that he might be just and the justifier of the one who has faith in Jesus.” The cross demonstrates God’s justice (sin is punished) and His mercy (sinners are forgiven) simultaneously. He remains just while also justifying those who trust in Jesus.
Why It Matters
Substitutionary atonement matters because it tells us how we can be saved. If Jesus did not bear our punishment, then we must bear it ourselves, and that means eternal separation from God. But if Jesus truly died in our place, then those who trust in Him are completely forgiven, for there is no punishment left to pay. The debt has been settled in full.
This doctrine also grounds our assurance. We are not saved by our own righteousness or effort but by what Jesus accomplished for us. Our salvation rests not on our performance but on His finished work. When doubts come and we feel unworthy, we look not to ourselves but to the cross, where our substitute died and our sins were paid for.
Conclusion
Substitutionary atonement is not one theory among many; it is the heart of what Scripture teaches about Jesus’ death. He died in our place, bearing our sins, taking our punishment, so that we might be forgiven and reconciled to God. This is the Gospel. This is what we celebrate every time we take the Lord’s Supper. This is what we will praise Jesus for throughout eternity: “Worthy are you… for you were slain, and by your blood you ransomed people for God” (Revelation 5:9).
“For Christ also suffered once for sins, the righteous for the unrighteous, that he might bring us to God, being put to death in the flesh but made alive in the spirit.” 1 Peter 3:18
Bibliography
- Stott, John R.W. The Cross of Christ. Downers Grove: IVP, 1986.
- Morris, Leon. The Apostolic Preaching of the Cross. Grand Rapids: Eerdmans, 1965.
- Ryrie, Charles C. Basic Theology. Chicago: Moody Press, 1999.
- Jeffery, Steve, Michael Ovey, and Andrew Sach. Pierced for Our Transgressions: Rediscovering the Glory of Penal Substitution. Nottingham: IVP, 2007.
- Grudem, Wayne. Systematic Theology. Grand Rapids: Zondervan, 1994.
