This piece explores the fundamental importance of free speech in American democracy, as enshrined in the First Amendment. It highlights how this right, born from the founders' experiences with repression, prevents government censorship, even of unpopular views. The text argues that free speech fosters a "marketplace of ideas" where truth emerges through competition and is crucial for holding those in power accountable by enabling exposure of wrongdoing. While acknowledging modern challenges like social media's influence, the author emphasizes the resilience and vital role of free expression in maintaining American liberty.