Revelation 5:2

And I saw a strong angel proclaiming with a loud voice, Who is worthy to open the book and to loose the seals thereof?

Revelation 5:5

behold the Lion of the tribe of Judah, the root of David, hath prevailed to open the book and the seals thereof.

Revelation 18:21

And a mighty angel took up a stone like a great mill-stone, and cast it into the sea, saying, Thus with violence shall Babylon, the great city, be thrown down, and shall be found no more at all.

Revelation 10:1

And I saw another mighty angel coming down from heaven clothed with a cloud, and a rainbow upon his head, and his face as the sun, and his feet as pillars of fire.

Treasury of Scripture Knowledge

Summary

And I saw a strong angel proclaiming with a loud voice, Who is worthy to open the book, and to loose the seals thereof?

Bible References

Who

Revelation 5:5
behold the Lion of the tribe of Judah, the root of David, hath prevailed to open the book and the seals thereof.