What does the Bible say about the blood of Jesus cleansing sin?

The blood of Jesus is central to the Christian faith, as highlighted in 1 John 1:7, which states that 'the blood of Jesus Christ his Son cleanses us from all sin.' This cleansing is not merely symbolic but is foundational for our salvation. The blood signifies the sacrificial death of Christ, who served as our high priest and mediator, offering himself as the perfect sacrifice. His blood provides not just forgiveness for past sins but also a means of ongoing cleansing as believers continue to sin in their earthly lives. The cleansing from all sin assures Christians that no sin is beyond the redemptive power of Christ's sacrifice, allowing them to maintain fellowship with God through confession and repentance.