It's called the "Rudder" Effect. Like a small rudder controlling a large ship. The tongue controls the direction of a person's life... interesting. Saw this today, then looked for scriptures and found these.
Proverbs 15:1 Soft answer turns away wrath, but a harsh word stirs up anger.
Proverbs 15:4 says, A wholesome tongue is a tree of life, but perverseness in it breaks the spirit.
Proverbs 16:24 Gracious words are a honeycomb, sweet to the soul and healing to the bones.
Your thoughts, have you ever heard of the Rudder Effect?