How do we know that the blood of Christ is necessary for salvation?

The necessity of Christ's blood for salvation is rooted in Scripture, particularly in Hebrews 9:22, which states, 'And almost all things are by the law purged with blood; and without shedding of blood is no remission.' This principle underscores God's justice and the gravity of sin, asserting that atonement requires a sacrificial offering. In Exodus 4, the instruction to Moses to demonstrate the transformative power of the blood further highlights this truth. Believers are reminded of the importance of the blood in terms of Christ's sacrificial death, which provides the only means of redemption and reconciliation with God. The celebration of the Lord's Supper reinforces this doctrine as we remember the significance of Christ's death and the shedding of His blood for our remission.