Matthew 12:36-37
But I tell you that men will give an account on the day of judgment for every careless word they have spoken. For by your words you will be acquitted, and by your words you will be condemned.”
Berean Standard Bible, public domain. Read all of Matthew 12 · Words of Christ are set in red.
One song meets this passage
Enjoy the Silence · Depeche Mode
strains against Matthew 12:36-37
Jesus treats every careless word as weighty and accountable, the opposite of dismissing words as trivial and forgettable.