Sin is more than making mistakes
The Bible treats sin seriously because it is not only a list of bad actions. It is our turning away from God, our failure to love him and other people as we should. Sin damages relationships, twists desires, and leaves us unable to repair our standing with God by our own efforts (Romans 3:23).
That can sound heavy, but it is also honest. We know something is wrong in the world and in us. Jesus did not come to minimise that wrong. He came to meet it.
Jesus gave himself in our place
When Christians say Jesus died for our sins, they mean his death was not merely the tragic end of a good teacher. Jesus willingly gave himself to carry the consequences of sin and to make peace between God and people. Isaiah had pictured the servant of the Lord suffering because of the wrongdoing of others, and the New Testament sees that hope fulfilled in Jesus (Isaiah 53:5; 1 Peter 2:24).
The word "for" matters. Christ died on behalf of sinners, including people who had not earned his help. At the cross, God's justice does not pretend evil is harmless, and God's mercy does not abandon the guilty. Both are seen in the self-giving love of Jesus (Romans 5:8).
For Christ also hath once suffered for sins, the just for the unjust, that he might bring us to God, being put to death in the flesh, but quickened by the Spirit:
Forgiveness is a gift, not a reward
Because Jesus has done what we could not do, forgiveness is received rather than achieved. No amount of religious effort can erase the past or make a person worthy enough for God. God offers pardon and a restored relationship through trusting Christ, not through proving yourself first (Ephesians 2:8-9).
Trusting Jesus is more than agreeing that his death happened. It means bringing your need to him, relying on his grace, and turning towards him. There is room for honest questions in that. Faith can begin with a simple, sincere response to the love God has shown.
His death leads to new life
Jesus' death is inseparable from his resurrection. Paul summarised the heart of the gospel as Christ dying for sins and then rising again, which means sin and death do not have the final word (1 Corinthians 15:3-4). Christians differ on how best to describe every aspect of the cross, but they share this centre: Jesus' death and resurrection bring salvation.
So this message is not meant to leave you trapped in shame. In Christ, forgiveness opens the way to a new direction, shaped by gratitude and love. If this feels personal, read one of the Gospel accounts of Jesus' death and resurrection slowly, and ask what his welcome might mean for you today (2 Corinthians 5:17).
But God commendeth his love toward us, in that, while we were yet sinners, Christ died for us.