Bible Verses About Slander: Comes from the evil heart

For out of the heart come euil thoughts, murders, adulteries, fornications, thefts, false testimonies, slaunders.

A good man out of the good treasure of his heart bringeth foorth good, and an euill man out of the euill treasure of his heart bringeth foorth euill: for of the aboundance of the heart his mouth speaketh.