Study your heart attitude. The words we speak are linked to our true beliefs. God holds us accountable for our words.

Matthew 12:

35 A good person produces good things from the treasury of a good heart, and an evil person produces evil things from the treasury of an evil heart. 36 And I tell you this, you must give an account on judgment day for every idle word you speak. 37 The words you say will either acquit you or condemn you.”