Watch on Youtube HERE. What was the Stoic Formula for living the good life? When was the idea of moral duty conceived? And why was its invention so controversial? This week's Classical Wisdom Speaks Podcast is with Jack Visnjic, also known as Lantern Jack, host of the - Ancient Greece Declassified Podcast and Director of Research at the Anacyclosis Institute. He is also author the new book, “The Invention of Duty: Stoicism as Deontology”