How about:
As we sing, “*Holy, holy, holy Lord, God of power and might”, *we share inJohn’s vision. In chapter 4 of Revelations, he witnessed four living creatures day and night never ceasing to sing, “Holy, holy, holy is the Lord God Almighty” (Rev. 4:8).
When the priest holds up the consecrated host and says, “This is the Lamb of God who takes away the sins of the world. Happy are those who are called to his supper”, he is repeating those words said in Chapter 19, hearing the mighty voice of a great multitude in heaven singing, “Hallelujah!” and announcing the wedding supper of the Lamb.
Our Catechism understands the connection between the Mass and the Apocalypse: “The Book of Revelation of St John, read in the Church’s liturgy, first reveals to us, ‘A throne stood in heaven, with one seated on the throne’… ‘the Lord God’ (Rev. 4:2, 8). It then shows the Lamb, ‘standing as though it had been slain’ (Rev. 5:6): Christ crucified and risen, the one high priest of the true sanctuary, the same one ‘who offers and is offered, who gives and is given.’ Finally, it presents the ‘river of the water of life… flowing from the throne of God and of the Lamb,’ one of the most beautiful symbols of the Holy Spirit (Rev. 22:1)” (Cat. no. 1137).
From the opening verses of the book, it is clear that the Church’s liturgy is the proper context for the Apocalypse. “Blessed is he who reads aloud the words of the prophecy, and blessed are those who hear” (Rev. 1:3). The “one who reads” is the lector and “those who hear” refer to the congregation.
At the end of the seven letters, Jesus says, “Behold, I stand at the door and knock; if any one hears my voice and opens the door, I will come in to him and eat with him, and he with me” (Rev. 3:20). This is easily recognizeable as a reference to the Eucharist.
“Hallel,” means “praise.” It is from this word that we get our English word, “Hallelujah” or “Alleluia.” “Yah,” the short form in Hebrew for God’s name “Yahweh” when combined with Hallel means, “praise God.” After the persecutors of God’s people are judged in Rev. 17-18, John sees the angels and saints at a meal celebrated in the heavenly Mt. Zion, where they sing “Hallelujah!” Just as the Passover meal was celebrated with the drinking of the seder cups and the singing of the “Hallel” Psalms, Revelation depicts a meal that is celebrated after the “cups” are poured out (Rev. 16-17) and after the saints sing “Hallelujah” (Rev. 19:1-9). John thus sees the Eucharist as the New Passover celebrated in the heavenly Promised Land.
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