Bible Verse about Power of Words:
“The tongue has the power of life and death, and those who love it will eat its fruit.”
Though, tongue is one of the parts of our body, the way how we use it returns good and bad rewards. We use it for good as well as bad.
We use it to bless someone, at the same time, curse someone; We use it to praise someone and gossip about someone; If you use your tongue (your words) in the right manner without hurting anyone, then the fruits of it will never make you regret. When you are using it to cause bad name to someone, then you hold complete accountability for it.
So be wise when you speak and always think before you speak. Ask God to guide you on how to handle your words, so that it brings happiness alone and not hatred.