Revelation 14:1-3

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

Revelation 19:1-6

After this I heard a loud voice of a great multitude in heaven, saying, Hallelujah: The salvation, and the glory, and the power 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 a Lamb standing on mount Sion, and with him an hundred forty-four thousand, having his name and the name of his Father written on their foreheads.
Revelation 19:1
After this I heard a loud voice of a great multitude in heaven, saying, Hallelujah: The salvation, and the glory, and the power to our God.