He that keepeth his mouth keepeth his life: but he that openeth wide his lips shall have destruction. Proverbs 13:3 KJV
What you say has everything to do with your future.
Death and life are in the power of the tongue: and they that love it shall eat the fruit thereof. Proverbs 18:21 KJV
This why it is critical that you speak the Word of God and biblically based concepts.