Can someone please explain why exactly it was required for Jesus himself to die on the cross for our sins?
Eternal death is a consequence of Adam’s sin
which introduced both spiritual and physical death into the world ...
Jesus had to die on the cross because God’s holiness and justice require that the penalty for sin be paid, and only a sinless, divine sacrifice could satisfy this demand. According to Christian theology,
sin separates humanity from God and
incurs a debt of eternal death (Romans 6:23);
animal sacrifices in the Old Covenant were
insufficient to remove the root of sin or provide permanent atonement.
Hebrews 10:1-4: For
the law having a shadow of good things to come, and not the very image of the things,
can never with those sacrifices which they offered year by year continually make the comers thereunto perfect ... For it is not possible that the blood of bulls and of goats should take away sins.
Jesus was uniquely qualified to die for humanity because He was both fully human and fully divine, allowing Him to serve as the perfect substitute. As a sinless man, He had no personal sins to atone for, making Him an unblemished sacrifice; as God, His death held infinite value, sufficient to cover the sins of all humanity once and for all (Catholic Answers; Bible Study Tools)
His voluntary death served multiple theological purposes beyond mere punishment:
- Atonement and Reconciliation: He bore the punishment justice demanded, satisfying God’s righteous requirements and reconciling believers to God (Romans 5:10; 2 Corinthians 5:21). In Law of today, if a man is guilty of wrongdoing, he could be bailed out by someone pays his debt. Christ paid for our debt on the Cross, by accepting Jesus, we have eternal life.
- Defeat of Death: By dying and rising again, He conquered physical death and Satan, offering eternal life to those who believe. Hebrews 2:14 is saying that in order for us to be freed from bondage to Satan and the fear of death, Christ had to become human and able to die because “the wages of sin is death”. Jesus has destroyed the one who has hold of death, the devil. He’s freed all of us from slavery to the fear of death because Jesus has made it possible to conquer "death" in our lives. God has given us free will, and freedom to choose; life or death.
- Demonstration of Love: His sacrifice publicly demonstrated the depth of God’s love and His desire for human salvation rather than condemnation (John 3:16-17). 16 For God so loved the world, that he gave his only Son, that whoever believes in him should not perish but have eternal life. 17 For God did not send his Son into the world to condemn the world, but in order that the world might be saved through him.
The crucifixion was the culmination of this plan, tearing the temple veil to symbolize open access to God
This is significant!
The verse that records
the temple veil being torn at the moment of Jesus' death is
Matthew 27:51: "At that moment the veil of the temple was torn in two from top to bottom." This event is also noted in
Luke 23:45.
Hebrews 9:1-9 tells us that in the temple
a veil separated the
Holy of Holies—the earthly dwelling place of God’s presence—from the rest of the temple where men dwelt. This signified that
man was separated from God by sin (
Isaiah 59:1-2).
Only the high priest was permitted to pass beyond this veil once each year (
Exodus 30:10;
Hebrews 9:7) to enter God’s presence for all of Israel and make atonement for their sins (
Leviticus 16).
Unlike previous sacrifices,
Jesus’ death was a once-for-all event that
permanently removed the barrier of sin, allowing believers to receive forgiveness and the Holy Spirit to help them overcome sin in their own lives (Hebrews 9:12).
- Spiritual Death: This occurred immediately upon Adam’s disobedience, severing his relationship with God and leaving humanity in a state of being "dead in transgressions."
- Physical Death: Adam’s body eventually returned to dust, establishing mortality for all humanity through his lineage.
- Eternal Death: This is the final, permanent separation from God in hell, which is the ultimate punishment for sin inherited from Adam’s fall.
Scripture teaches that just as sin and death entered the world through one man,
Adam,
the remedy for this eternal condemnation is found
through Jesus Christ,
whose obedience offers justification and eternal life to believers.