Gregory the Great
O earth, you shall not conceal my blood, and let my lament not find refuge in you. Job 16:18. When mankind sinned, it was declared: You are dust, and to dust you shall return. Genesis 3:19. This "earth" cannot conceal the blood of our Savior because every sinner, each time he embraces the cost of redemption, acknowledges it, praises it, and openly confesses to those around him. Furthermore, "the earth shall not conceal His blood," since the Holy Church is proclaiming the truth of His redemption throughout the world. Notice, too, the additional assertion: And let my lament lack any safe haven within you. The very blood of atonement received serves as the "voice" of our Redeemer. This is why Paul states: and to the blood of sprinkling, which speaks better than that of Abel. Hebrews 12:24.
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The blood of Abel was described thus: the voice of your brother’s blood cries out to Me from the ground. Genesis 4:10. However, "the blood of Jesus speaks more powerfully than Abel's blood" because Abel’s blood brought destruction to his fratricide, while the blood of our Lord granted life even to His persecutors. Therefore, so that the Sacrament of Our Lord's Passion does not become ineffective among us, we must reflect what we receive and share with others what we honor. His lament will remain hidden in us only if our voice remains silent about our belief. However, if each of us, according to his capacity, conveys the mystery of His life to those around him, His lament cannot be obscured in us. It is good to hold in our minds the moment of the Lord's Passion, when the Jews pursued Him in hatred, and the disciples deserted Him in fear. For when He appeared to die in bodily form, no one regarded Him as divine. Thus, it is fittingly stated here: