Words can hurt and words can heal. And because words matter so much, folk stories have taught us exactly that.
Remember the story of Rumpelstiltskin?
Once upon a time, a greedy king asked a peasant girl to spin a bunch of straw into gold or he would kill her. In her desperation, she accepted the help of a weird-looking, little man who would do the magic for her, as long as he could keep her first-born baby.