The story of the greatest of all philosophical friendships-and how it influenced modern thoughtDavid Hume is arguably the most important philosopher ever to have written in English, but during his lifetime he was attacked as "the Great Infidel" for his religious skepticism and deemed unfit to teach the young. In contrast, Adam Smith, now hailed "Shortlisted for the 2018 Ralph Waldo Emerson Award, Phi Beta Kappa Society"