These images embody the duality of the 7 Virtues and 7 Vices, they are opposite yet intertwinded, just as the Yin and Yang image. The seven Virtues and seven Vices are first depicted in Aurelius Predentius depicted in the Book: "Psychomachia; the War of the Soul". The word "War" has traslations as "Battle" or "Contest", which seems to imply that