Revelation 14:8

And another, a second angel, followed, saying: Fallen, fallen is Babylon the great, which hath made all the nations drink of the wine of the wrath of her fornication.

Revelation 18:2

And he cried with a strong voice, saying: Fallen, fallen is Babylon the great, and is become a habitation of demons, and a hold of every unclean spirit, and a cage of every unclean and hateful bird;

Revelation 18:21

And a strong angel took up a stone like a great millstone, and cast it into the sea, saying, Thus with violence shall Babylon the great city be thrown down, and shall never more be found.

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, saying: Fallen, fallen is Babylon the great, which hath made all the nations drink of the wine of the wrath of her fornication.
Revelation 18:2
And he cried with a strong voice, saying: Fallen, fallen is Babylon the great, and is become a habitation of demons, and a hold of every unclean spirit, and a cage of every unclean and hateful bird;