Rev 5:4 KJV – And I wept much, because no man was found worthy to open and to read the book, neither to look thereon.
Rev 5:5 KJV – And one of the elders saith unto me, Weep not: behold, the Lion of the tribe of Juda, the Root of David, hath prevailed to open the book, and to loose the seven seals thereof.
Rev 5:6 KJV – And I beheld, and, lo, in the midst of the throne and of the four beasts, and in the midst of the elders, stood a Lamb as it had been slain, having seven horns and seven eyes, which are the seven Spirits of God sent forth into all the earth.

The Lamb Prevailed, Revelation 5 (Download link)