How do we know that Christ's suffering was necessary for redemption?

The inevitability of Christ's suffering is grounded in the necessity of atonement for sin. According to Isaiah 53:10, 'it pleased the Lord to bruise him; he hath put him to grief.' This indicates that Christ's suffering was not arbitrary but a divine requirement for fulfilling God's justice. Our sin demanded a sacrifice to satisfy the law, and only through the suffering of a perfect Savior could that requirement be met. Christ took upon himself the weight of our sins, enduring both physical and spiritual anguish, ensuring that his people would not face condemnation.