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?”

Daniel 10:14

Now I have come to make you understand what will happen to your people in the latter days, for the vision is in regard to the days yet to come.”

Daniel 12:6

And one said to the man dressed in linen, who was above the waters of the river, “How long will it be until the end of these wonders?”

Luke 18:34

But the disciples understood none of these things [about the approaching death and resurrection of Jesus]. This statement was hidden from them, and they did not grasp the [meaning of the] things that were said [by Jesus].

John 12:16

His disciples did not understand [the meaning of] these things at first; but when Jesus was glorified and exalted, they remembered that these things had been written about Him and had been done to Him.

Acts 1:7

He said to them, “It is not for you to know the times or epochs which the Father has fixed by His own authority.

1 Peter 1:11

seeking to find out what person or what time the Spirit of Christ within them was indicating as He foretold the sufferings of Christ and the glories [destined] to follow.

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 the disciples understood none of these things [about the approaching death and resurrection of Jesus]. This statement was hidden from them, and they did not grasp the [meaning of the] things that were said [by Jesus].
John 12:16
His disciples did not understand [the meaning of] these things at first; but when Jesus was glorified and exalted, they remembered that these things had been written about Him and had been done to Him.
Acts 1:7
He said to them, “It is not for you to know the times or epochs which the Father has fixed by His own authority.
1 Peter 1:11
seeking to find out what person or what time the Spirit of Christ within them was indicating as He foretold the sufferings of Christ and the glories [destined] to follow.

General references

Mark 13:4
“Tell us, when will these things happen, and what will be the sign when all these things are about to be fulfilled?”