How do we know that the blood of Christ speaks better things than Abel's?

The writer of Hebrews draws a comparison between the blood of Abel and the blood of Christ, highlighting the unique and superior nature of Christ's sacrifice. While Abel's blood cried out for justice after his murder, indicating the reality of sin and death, Christ's blood speaks of a better covenant—a covenant that offers forgiveness and reconciliation with God. This testimony is rooted in the fulfillment of God's redemptive plan, showing that through Christ's atonement, believers are restored to a right relationship with God, offering hope and assurance of salvation that was not present in Abel's story.