A City Guide To Shizilu for Statecraft is a form of soulcraft, and soulcraft, ancient theorists agreed, is a form of statecraft. This, for Plato, is where philosophers become involved. Even more so than legislators, philosophers are concerned with the shaping of souls. Because an ill-organized collective life will have deleterious effects on the characters of the citizenry, particularly on the youths whose souls are most susceptible to influence, philosophers must concern themselves with the affairs of the state. Whereas legislators engage in soulcraft for the benefit of statecraft, philosophers find it necessary to engage in statecraft for the benefit of soulcraft. Thus philosophers engage in political theory. They must determine the nature of the good regime. A City Guide To Shizilu 2016.