3 Bible Verses about People Being Polluted

Woe to you, for ye are as tombs which are unseen, and men walking over them know it not.

looking diligently, lest any one come short of the grace of God; lest any root of bitterness springing up trouble you, and the many be thereby defiled;

And the tongue is a fire, a world of iniquity! The tongue among our members is that which defileth the whole body, and setteth on fire the wheel of life, and is itself set on fire by hell.