3 Bible Verses about People Being Polluted

Woe to you! because ye are as the unobserved tombs; and the men, walking over them, know it not."

looking carefully, lest there be any one falling short of the grace of God; lest any root of bitterness, springing up, trouble you, and through it many be defiled;

And the tongue is a fire, the world of iniquity! the tongue is placed among our members, as that which defiles the whole body, and sets on fire the course of life, and is set on fire by Hell.