How do we know the importance of the blood in salvation?

The significance of Christ's blood in salvation cannot be overstated. It was through His blood that God’s justice was satisfied; as outlined in the sermon, 'God cannot and will not save a sinner without satisfaction.' The essential truth is that the shedding of Christ's blood at Calvary was the pivotal point for redemption, as showcased in verses like 1 Peter 1:18-19, where we learn that we were redeemed with the precious blood of Christ, as of a lamb without blemish. Therefore, the blood is vital for the forgiveness of sins and the securing of eternal life for the elect.