“Blah blah.” Two words that dismiss everything. Yet words are never just noise. Each of us carries scars from sentences, strength from syllables. Someone said something that shaped who you became—for better or worse. We’ve all been sculptors, carving others with our comments. In 2012, Facebook secretly manipulated 700,000 users’ newsfeeds to test emotional contagion. The result? When positive posts decreased, people posted more negatively. When negative posts decreased, positivity increased. Emotions expressed by others influenced users’ own emotions—massive-scale contagion via social networks. No virus needed, just words. The study proved what Scripture always knew: words are weapons or medicine, poison or cure. “Speak when you are angry,” warned Laurence Peter, “and you’ll make the best speech you’ll ever regret.” Napoleon Hill observed that our words plant seeds of either success or failure in another’s mind. We shape souls with syllables. The tongue that blesses on Sunday curses on Monday. The mouth that prays also preys. James calls it humanity’s unconquerable wildfire—setting entire forests of lives ablaze with a single spark. Every conversation is construction or demolition. You’re either building or destroying. There’s no neutral.