Revelation 14:8

And another, a second angel followed, crying, "Fallen, fallen is Babylon the great, who made all nations drink the wine of the passion of her vice!"

Revelation 18:2

and he shouted aloud with a strong voice, "Fallen, fallen is Babylon the great, now she is a haunt of demons, the den of all foul spirits, a cage for every foul and loathsome bird:

Revelation 18:21

Then a strong angel lifted a boulder like a huge millstone and flung it into the sea, crying, "So shall the great city, Babylon, be hurled down, hurtling, and never be seen any more:

Treasury of Scripture Knowledge

Summary

And thou shalt say, Thus shall Babylon sink, and shall not rise from the evil that I will bring upon her: and they shall be weary. Thus far are the words of Jeremiah.

Bible References

Thus shall

Revelation 14:8
And another, a second angel followed, crying, "Fallen, fallen is Babylon the great, who made all nations drink the wine of the passion of her vice!"
Revelation 18:2
and he shouted aloud with a strong voice, "Fallen, fallen is Babylon the great, now she is a haunt of demons, the den of all foul spirits, a cage for every foul and loathsome bird: