Scottish philosopher David Hume was an amiable 18th century gentleman - cultured, generous, well liked by all who knew him. And yet he's become something of a "thinker's thinker", hugely admired by academic philosophers, but never quite managing to fire the public imagination or attain the mythic status of a Socrates or a Nietzsche. Our guest this week believes it's time to embrace Hume as a philosopher who can teach us how to live.