Revelation 5:1-2, 5

Revelation 5:1: “And I" [John] "saw in the right hand of him" [The Most High] "that sat on the throne a book written within and on the backside, sealed with seven seals.”

Revelation 5:2: “And I" [John] "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:...the Lion of the tribe of Juda, the Root of David," [Christ] "hath prevailed to open the book, and to loose the seven seals thereof.”

Revelation 6:1

Revelation 6:1: “And I” [John] “saw when the Lamb" [Christ] "opened one of the seals,...” [Christ opened the first seal of the book that he received from the Most High]