What does the Bible say about why Christ suffered?

The Scripture reveals that Christ suffered for the sins of His people to fulfill God's eternal purpose of redemption. As highlighted in Psalm 102, His suffering was predicted even before His incarnation, showing that salvation through Christ was not a plan B but an eternal promise. Specifically, Christ's cry from the cross, 'My God, my God, why hast thou forsaken me?' demonstrates that He bore the full weight of sin and separation from the Father to enable forgiveness for the elect. Therefore, His suffering accomplished the reconciliation of God's people to Himself, making it possible for them to be eternally secured in grace.