The classical concept of the four temperaments--the four personality types characterized as the fiery choleric, the airy sanguine, the watery phlegmatic and the earthy melancholic--has been revered by many significant thinkers over the ages. In a refreshing treatment, Dr. Childs demonstrates that this ancient doctrine remains relevant to our modern lives. He shows how we can recognize the temperaments in others, as well as in ourselves, and how to understand the ways in which they function. Understanding their influences can boost personal development and help improve interpersonal...