Revelation 15:3-4

And they sing the song of Moses the servant of God and the song of the Lamb, saying, Great and wonderful are thy works, Lord God Almighty; just and true are thy ways, king of the nations;

Revelation 19:1-6

AFTER this I heard a loud voice as of a great multitude in heaven, saying, Halleluia, the salvation and glory and power of our God,

Treasury of Scripture Knowledge

Summary

Thus will I magnify myself, and sanctify myself; and I will be known in the eyes of many nations, and they shall know that I am the LORD.

Bible References

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Revelation 15:3
And they sing the song of Moses the servant of God and the song of the Lamb, saying, Great and wonderful are thy works, Lord God Almighty; just and true are thy ways, king of the nations;
Revelation 19:1
AFTER this I heard a loud voice as of a great multitude in heaven, saying, Halleluia, the salvation and glory and power of our God,