Sovereign is the heart, which departs from a vein, the blood is distributed. King publish ordinances, laws, orders, word set them royal justice was nutrient is supplied to all parts of the social organism. And as soon as the blood - a key element to ensure the vital force is therefore valuable veins nerves, and the heart is more important than the head. Thus, the king is above the pope. The reasoning was supplemented by three arguments. The first came from embryology and remained in line with the body symbolism. At the heart of the embryo comes first head means and the power of the king is preceded by the Church authorities. The second derives from the circulation to the authorities, confirming the advantage of the heart over the head. The author of the treatise draws on his side Aristotle, St. Augustine, St. Jerome and Isidore of Seville.