But ye are come unto mount Sion…and to Jesus the mediator of the new covenant, and to the blood of sprinkling… – Hebrews 12:22,24

The apostle says that “You have come to the blood of sprinkling.” Is it so? Has that blood of sprinkling ever been applied to you? Do you feel it? Are you preserved? Are you cleansed? Are you brought near to God? Are you sanctified unto God’s service by the atoning sacrifice? If so, then go out, and in firm confidence that never can be shaken, make your glory in the blood of sprinkling. Tell every sinner whom you meet that if the Lord Jesus washes him, he shall be whiter than snow. Preach the atoning sacrifice of the Lamb of God and then sing of it. Recollect that wondrous threefold song in the fifth chapter of Revelation, where first of all, the elders and living creatures round about the throne sing a new song, saying, “You were slain, and have redeemed us to God by Your blood out of every kindred, and tongue, and people, and nation.” Then ten thousand times ten thousand and thousands of thousands of angels take up the strain and cry, “Worthy is the Lamb that was slain.” Nor is this all, for the apostle tells us, “Every creature which is in heaven, and on the earth, and under the earth, and such as are in the sea, and all that are in them, heard I saying, Blessing, and honor, and glory, and power, be unto Him that sits upon the throne, and unto the Lamb forever and ever.” Those who refuse the atonement which wisdom devised, which love provided, and which justice has accepted, have signed their own death warrant, and none can wonder that they perish. The Lord lead us to glory in Christ crucified. Amen. ~ C.H. Spurgeon

https://www.blueletterbible.org/comm/spurgeon_charles/sermons/1888.cfm