In short
Jesus died in our place. Christians believe He took the punishment our sins deserved so that we could be forgiven and made right with God. His death was not a defeat but a rescue, love laying itself down for us.The Bible teaches that sin separates us from a holy God and carries a real cost. On the cross, Jesus willingly bore that cost for us, the just for the unjust, to bring us to God.
This is why Christians call it good news: what you could never pay, He paid in full. You are not asked to earn God's love; you are asked to receive it.
What Scripture says
“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:”
1 Peter 3:18 (KJV)“But God commendeth his love toward us, in that, while we were yet sinners, Christ died for us.”
Romans 5:8 (KJV)Where to go from here
Still wondering? Ask Simon, a companion who points to Jesus, or bring it to God in prayer.