Romans 1:32
who knowing the divine rule of right, did not perceive that they who commit such things are worthy of death, and not only they who do the same, but they who give countenance to those that do them.
Romans 12:9
Let love be without dissimulation. abhor that which is evil, adhere to that which is good.
1 Corinthians 15:33
be not deceived : "vicious conversation corrupts good morals."
2 Corinthians 6:14-16
Are you not become associates with infidels? but what affinity is there between virtue and vice? and what communication has light with darkness?
Revelation 2:4
nevertheless, I have somewhat against thee, because thou hast left thy first love.