3 Bible Verses about People Being Polluted

Woe to you! For you are like graves which are not seen, and men walk over them without knowing it."

See to it that no one comes short of the grace of God; that no root of bitterness spring up and cause trouble, and by it many become defiled;

And the tongue is a fire, a world of evil among the members of the body. The tongue corrupts our whole person, sets the whole course of our life on fire, and is itself set on fire by hell.