Revelation 14:1-3

And I saw, and behold, the Lamb standing on the mount Zion, and with him a hundred and forty-four thousand, having his name, and the name of his Father written on their foreheads.

Revelation 19:1-6

After these things I heard as it were a great voice of a vast multitude in the heaven, saying, Hallelujah! Salvation, and glary, and power, belong to 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 saw, and behold, the Lamb standing on the mount Zion, and with him a hundred and forty-four thousand, having his name, and the name of his Father written on their foreheads.
Revelation 19:1
After these things I heard as it were a great voice of a vast multitude in the heaven, saying, Hallelujah! Salvation, and glary, and power, belong to our God: