Romans 1:32
Who knowing the righteous judgment of God, that they who do such things are worthy of death, not only do the same, but have pleasure in those that do them.
Romans 12:9
Let love be without dissimulation. Abhor that which is evil, cleave to that which is good.
1 Corinthians 15:33
Be not deceived. Evil communications corrupt good manners.
2 Corinthians 6:14-16
Be not unequally yoked with unbelievers; for what fellowship hath righteousness with unrighteousness? or what communion hath light with darkness?
Revelation 2:4
But I have against thee, that thou hast left thy first love.