Between essay and narrative, this book proposes a way of thinking against our fears, which according to Lucretius, clouds the mind and distances us from a good life. Through classical philosophy, it shows how fear exaggerates threats, multiplies sad passions like anger, shame, or despair, and erodes political trust, leading us to surrender to those who traffic in fear. In addition to describing its effects, it recovers philosophical practices that oppose it, organizing the content in brief chapters that combine humor, aphorisms, and narrative.