Revelation 5:4

And I began to weep greatly because no one was found worthy to open the scroll or look into it.

Daniel 12:8-9

As for me, I heard, but I did not understand; so I said, “My lord, what will be the outcome of these things?”

Revelation 4:1

After this I looked, and behold, a door standing open in heaven! And the first voice which I had heard, like the sound of a [war] trumpet speaking with me, said, “Come up here, and I will show you what must take place after these things.”

Treasury of Scripture Knowledge

Summary

And I wept much, because no man was found worthy to open and to read the book, neither to look thereon.

Bible References

Because

Revelation 4:1
After this I looked, and behold, a door standing open in heaven! And the first voice which I had heard, like the sound of a [war] trumpet speaking with me, said, “Come up here, and I will show you what must take place after these things.”
Daniel 12:8
As for me, I heard, but I did not understand; so I said, “My lord, what will be the outcome of these things?”