Greatness Of Soul: Becoming A Man Of Substance by Quintus Curtius published on 2016-07-16T04:41:57Z "On Duties" deals with a very large number of topics. One of the most important unifying threads of the book is the idea of "greatness of soul." What is it? Why is it relevant? Note: The second passage I discuss is "On Duties" I.44 (I accidentally gave the incorrect citation number in the podcast). Genre Learning