Anxiety is often described as a modern epidemic. Deadlines, financial stress, social media, global crises, and the constant pressure to succeed can leave many people feeling overwhelmed. Yet anxiety is not uniquely modern. More than 2,000 ye ars ago, ancient philosophers were grappling with the same human fears: uncertainty, loss, rejection, illness, and death. The Stoic philosophers of ancient Greece and Rome developed practical tools to manage these fears. Their ideas were