Revelation 18:4
“And I heard another voice from heaven, saying, Come out of her, my people, that ye be not partakers of her sins, and that ye receive not of her plagues.”
And he cried mightily with a strong voice, saying, Babylon the great is fallen, is fallen, and is become the habitation of devils, and the hold of every foul spirit, and a cage of every unclean and hateful bird.
For all nations have drunk of the wine of the wrath of her fornication, and the kings of the earth have committed fornication with her, and the merchants of the earth are waxed rich through the abundance of her delicacies.
And I heard another voice from heaven, saying, Come out of her, my people, that ye be not partakers of her sins, and that ye receive not of her plagues.
For her sins have reached unto heaven, and God hath remembered her iniquities.
Reward her even as she rewarded you, and double unto her double according to her works: in the cup which she hath filled fill to her double.
Why This Verse Was Tagged
This verse contains specific terms directly associated with this theme.
Counter-Arguments
The strongest case that this verse does not belong in this theme.

Cross-References
“My people, go ye out of the midst of her, and deliver ye every man his soul from the fierce anger of the Lord.”
“Wherefore come out from among them, and be ye separate, saith the Lord, and touch not the unclean thing; and I will receive you,”
“He that walketh with wise men shall be wise: but a companion of fools shall be destroyed.”
“Wherefore come out from among them, and be ye separate, saith the Lord, and touch not the unclean thing; and I will receive you,”
“Depart ye, depart ye, go ye out from thence, touch no unclean thing; go ye out of the midst of her; be ye clean, that bear the vessels of the Lord.”