How do we know that Christ's crucifixion is essential for salvation?

The necessity of Christ's crucifixion for salvation is deeply rooted in Scripture. The Apostle Paul explains in Romans 8:1-4 that Christ came to fulfill the law for those under its curse, stating, 'For the law of the Spirit of life in Christ Jesus hath made me free from the law of sin and death.' His sacrifice at Calvary was not merely symbolic but a crucial event that met the requirements of divine justice. He suffered, bled, and died for the sins of His people, ensuring that they can be justified before God. In Hebrews 10:14, it affirms, 'For by one offering he hath perfected for ever them that are sanctified.' This substantiates the belief that without Christ's crucifixion, there is no reconciliation with God.