Revelation 14:1-3

THEN I looked, and I saw a lamb on mount Sion, and with him an hundred forty and four thousand, having his name and his father's name writ on their foreheads.

Revelation 19:1-6

And after these things I heard a great voice of a numerous multitude in heaven, saying, "alleluia; salvation, glory, honour, and power unto the Lord our God:

Treasury of Scripture Knowledge

Summary

The LORD hath brought forth our righteousness: come, and let us declare in Zion the work of the LORD our God.

Bible References

Let us

Revelation 14:1
THEN I looked, and I saw a lamb on mount Sion, and with him an hundred forty and four thousand, having his name and his father's name writ on their foreheads.
Revelation 19:1
And after these things I heard a great voice of a numerous multitude in heaven, saying, "alleluia; salvation, glory, honour, and power unto the Lord our God: