1 Corinthians 15:33

Do not deceive yourselves. Evil companions ruin good morals.

2 Corinthians 6:17

Therefore, Come out from among them and separate yourselves, saith the Lord, touch not what is unclean;

Ephesians 5:11

and have no fellowship with the unfruitful works of the darkness, but rather expose them.

2 Thessalonians 3:14

If any man does not give heed to what I have said in this letter, mark that man; do not associate with him, so as to make him feel ashamed;

1 Timothy 6:5

and wrangling between men whose minds are corrupt and destitute of the truth; who suppose that godliness is a source of gain.

2 Timothy 2:17-18

and their teaching will spread like a gangrene.

Revelation 18:3-5

For all nations, having drunk the wine of the frenzy of her fornication, are fallen; And the kings of the earth have committed fornication with her, And the merchants of the earth have grown rich by the power of her wantonness."

Treasury of Scripture Knowledge did not add