Aristotle's notion of megalopsuchia, seems richer than our modern sense of manganimity, and it is a very interesting jumping off point for personal growth. From a practical view, the temperance Aristotle required on qualities to make them virtues, could be applied with the tools of the stoics.
As an oblong reference regarding megalopsuchia, you may enjoy Peter Chung’s Aristotle as visited in the anime film series titled “Reign: The Conqueror”.