Psalm 141:3 Set a guard over my mouth, O LORD; keep watch over the door of my lips.
Matthew 15:11 What goes into a man’s mouth does not make him ‘unclean,’ but what comes out of his mouth, that is what makes him ‘unclean.'”
Proverbs 16:28 A perverse man stirs up dissension, and a gossip separates close friends.
James 3:8,10 But no man can tame the tongue. It is a restless evil, full of deadly poison. Out of the same mouth come praise and cursing. My brothers, this should not be.