Matthew 12:36-37 — But I say to you that for every idle word men may speak, they will give account of it in the day of judgment. For by your words you will be justified, and by your words you will be condemned.”
Matthew 15:11 — Not what goes into the mouth defiles a man; but what comes out of the mouth, this defiles a man.”
Proverbs 18:6-7 — A fool’s lips enter into contention, And his mouth calls for blows. A fool’s mouth is his destruction, And his lips are the snare of his soul.
Unless noted otherwise, all Scripture verses are from The New King James Version. 1996, ©1982. Nashville: Thomas Nelson.