Revelation 5:5-7

5And one of the elders saith to me, Weep not: behold, the Lion of the tribe of Judah, the Root of David, hath prevailed to open the book, and to loose its seven seals.

6And I beheld, and, lo, in the midst of the throne and of the four living beings, 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. 7And he came and took the book out of the right hand of him that sat upon the throne.