Apocalypse 4:1
After this I looked, and, behold, a door was opened in heaven: and the first voice which I heard was as it were of a trumpet talking with me; which said, Come up hither, and I will shew thee things which must be hereafter.
Daniel 12:8
And I heard, but I understood not: then said I, O my Lord, what shall be the end of these things?
Daniel 12:9
And he said, Go thy way, Daniel: for the words are closed up and sealed till the time of the end.