Why is it important to believe in the atoning blood of Christ?

The atoning blood of Christ is central to the Christian faith as it is through His sacrifice that we receive justification and redemption. Romans 3:24-25 emphasizes that we are justified freely by His grace through the redemption that is in Christ Jesus, emphasizing that our faith must rest in His blood, which serves as the propitiation for our sins. Without understanding and believing in the effectiveness of His shed blood, one cannot lay claim to the promises of salvation or be reconciled to God. Thus, it is crucial for Christians to grasp this truth as it anchors their hope and assurance in salvation.