How do we know that Christ's death was significant?

The significance of Christ's death lies in its role as a substitutionary sacrifice. Isaiah 53:5 proclaims that He was wounded for our transgressions and bruised for our iniquities. This directly correlates with the theological understanding that Christ bore the penalty of our sins, allowing for reconciliation between God and humanity. The wages of sin is death, and Christ's death was the necessary payment for sins, fulfilling God's justice while demonstrating His mercy. As noted in Romans 8:32, God did not spare His own son but delivered Him up for us all, affirming Christ's death as central to salvation.