Then the angel of the Lord said, “O Lord of hosts, how long will You have no compassion for Jerusalem and the cities of Judah, with which You have been indignant these seventy years?”

so that the manifold wisdom of God might now be made known through the church to the rulers and the authorities in the heavenly places.

It was revealed to them that they were not serving themselves, but you, in these things which now have been announced to you through those who preached the gospel to you by the Holy Spirit sent from heaven—things into which angels long to look.

Man

I lifted my eyes and looked, and behold, there was a certain man dressed in linen, whose waist was girded with a belt of pure gold of Uphaz.

Behold, six men came from the direction of the upper gate which faces north, each with his shattering weapon in his hand; and among them was a certain man clothed in linen with a writing case at his loins. And they went in and stood beside the bronze altar.

and the seven angels who had the seven plagues came out of the temple, clothed in linen, clean and bright, and girded around their chests with golden sashes.

And the armies which are in heaven, clothed in fine linen, white and clean, were following Him on white horses.

Upon

and he had in his hand a little book which was open. He placed his right foot on the sea and his left on the land;

How long

Then I heard a holy one speaking, and another holy one said to that particular one who was speaking, “How long will the vision about the regular sacrifice apply, while the transgression causes horror, so as to allow both the holy place and the host to be trampled?”

We do not see our signs;
There is no longer any prophet,
Nor is there any among us who knows how long.

and they cried out with a loud voice, saying, “How long, O

Lord, holy and true, will You refrain from judging and avenging our blood on those who dwell on the earth?”

General references

How long, O God, will the adversary revile,
And the enemy spurn Your name forever?

“Tell us, when will these things be, and what will be the sign when all these things are going to be fulfilled?”