Revelation 14:1-3

And I looked, and behold the Lamb was standing upon Mount Zion, and with him one hundred and forty-four thousand who had the name of his Father written on their foreheads.

Revelation 19:1-6

And after these things, I heard the voice as of a great multitude in heaven, saying, Hallelujah! salvation, and glory, and power, to 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
And I looked, and behold the Lamb was standing upon Mount Zion, and with him one hundred and forty-four thousand who had the name of his Father written on their foreheads.
Revelation 19:1
And after these things, I heard the voice as of a great multitude in heaven, saying, Hallelujah! salvation, and glory, and power, to the Lord our God;