How do we know the sacrifice of Christ is sufficient for our sins?

The sufficiency of Christ's sacrifice for our sins is firmly established in Scripture, especially when compared to the red heifer sacrifice of Numbers 19. These rituals were designed to foreshadow the ultimate atonement that Christ would achieve through His blood. Hebrews 9:14 emphasizes that the blood of Christ purifies our conscience from dead works, allowing us to serve the living God. Unlike the red heifer’s ashes, which only cleansed ceremonially, Christ's sacrifice provided real, lasting redemption from sin. His resurrection on the third day further affirms the completeness of His work in securing salvation for His people, providing eternal peace with God.