Thematic Bible: The book with seven seals

I saw in the right hand of him who sat on the throne a scroll written inside and on the back, sealed with seven seals. And I saw a strong angel proclaiming with a loud voice, "Who is worthy to open the scroll and break its seals?" And no one in heaven or on earth or under the earth was able to open the scroll or to look into it. read more.
And I wept greatly because no one was found worthy to open the scroll or to look into it. Then one of the elders said to me, "Weep not; behold, the Lion of the tribe of Judah, the Root of David, has conquered, so that he can open the scroll and its seven seals."