Question: where in the bible does it say your words have power?
Answer: Proverbs 15:4 “Gentle words bring life and health; a deceitful tongue crushes the spirit.” Proverbs 16:24 “Kind words are like honey–sweet to the soul and healthy for the body.” Proverbs 18:4 “A person's words can be life-giving water; words of true wisdom are as refreshing as a bubbling brook.”