3 Bible Verses about People Being Polluted

Wo unto you scribes and pharisees, hypocrites; for ye are like graves that do not appear, and those that walk over them are not aware of them.

looking to it, least there be any one falling short of the grace of God, least any root of bitterness springing up should be troublesome, and by it many be defiled:

And the tongue is a fire, a world of iniquity: so is the tongue among our several parts, defiling the whole body, inflaming the course of nature, and is set on fire by hell.