Daniel 12:8

I heard it well, but I understood it not. Then said I, "O my Lord, what shall happen after that?"

Daniel 10:14

and am come to show thee what shall happen unto thy people in the latter days: For it will be long yet before the vision be fulfilled."

Daniel 12:6

And one of them said, unto him which was clothed in linen and stood above upon the waters of the flood, "How long shall it be to the end of these wondrous works?"

Luke 18:34

But they understood none of these things. And this saying was hid from them. And they perceived not the things which were spoken.

John 12:16

These things understood not his disciples at the first: but when Jesus was glorified, then remembered they that such things were written of him, and that such things they had done unto him.

Acts 1:7

And he said unto them, "It is not for you to know the times, or the seasons which the father hath put in his own power:

1 Peter 1:11

searching when, or at what time, the spirit of Christ which was in them should signify - which spirit testified before - the passions that should come unto Christ, and the glory that should follow after.

Treasury of Scripture Knowledge

Summary

And I heard, but I understood not: then said I, O my Lord, what shall be the end of these things?

General references

Bible References

But

Luke 18:34
But they understood none of these things. And this saying was hid from them. And they perceived not the things which were spoken.
John 12:16
These things understood not his disciples at the first: but when Jesus was glorified, then remembered they that such things were written of him, and that such things they had done unto him.
Acts 1:7
And he said unto them, "It is not for you to know the times, or the seasons which the father hath put in his own power:
1 Peter 1:11
searching when, or at what time, the spirit of Christ which was in them should signify - which spirit testified before - the passions that should come unto Christ, and the glory that should follow after.

General references

Mark 13:4
"When shall these things be? And what is the sign, when all these things shall be fulfilled?"