Revelation 5:4

And I wept much because no one had been found worthy to open the book nor to regard it.

Daniel 12:8-9

And I heard, but I understood not. And I said, My lord, what shall be the end of these things?

Revelation 4:1

After these things I saw, and behold, a door opened in heaven, and the first voice which I heard as of a trumpet speaking with me, saying, Come up here, and I will shew thee the things which 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 these things I saw, and behold, a door opened in heaven, and the first voice which I heard as of a trumpet speaking with me, saying, Come up here, and I will shew thee the things which must take place after these things.
Daniel 12:8
And I heard, but I understood not. And I said, My lord, what shall be the end of these things?