Revelation 6:10

And they cried with a loud voice, and said, How long, O sovereign Lord, holy and true, before thou dost judge, and avenge our blood upon those who dwell on the earth?

Treasury of Scripture Knowledge

Summary

Then the angel of the LORD answered and said, O LORD of hosts, how long wilt thou not have mercy on Jerusalem and on the cities of Judah, against which thou hast had indignation these threescore and ten years?

Bible References

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Revelation 6:10
And they cried with a loud voice, and said, How long, O sovereign Lord, holy and true, before thou dost judge, and avenge our blood upon those who dwell on the earth?