4 Bible Verses about Corruption, Causes

Be not deceived: evil companions corrupt good character.

Put away from thee the perversion of the mouth, and the deviation of the lips put far from thee.

perverse disputings of men of corrupt understanding, and destitute of the truth, using piety as a source of gain: from such withdraw thyself.

For I know that after my death ye will utterly corrupt yourselves and turn aside from the way which I have commanded you; and evil will befall you in the latter days because ye will have done evil in the sight of the LORD, to provoke him to anger through the work of your hands.