Thematic Bible: The book with seven seals

And I saw at the right hand of him that sat on the throne a book written. within and on the backside, sealed with seven seals. And I saw a mighty angel proclaim with a loud voice, Who is worthy to open the book and to break its seven seals? And no one in heaven above, nor on the earth, nor under the earth, could open the book, or look in it. read more.
And I wept much because no one was found worthy to open the book or to look in it. And one of the elders said to me, Weep not; behold, the lion of the tribe of Judah, the root of David, has conquered, he is opening the book and its seven seals.