"Ptolemy's '... is at pains to make it clear from the outset that the , though certainly not from the perfect Father, is neither from Satan; nor is the world: both are the work of a god of justice. Those who attribute creation to an evil god are as much in error as those who ascribe the Law to the supreme God: the former err because they do not know the god of justice, the latter, because they do not know the Father of All. ...The "God" who ordained this Law, being neither the perfect Father nor the devil, can only be the , the maker of the universe... holding a median rank between them and therefore called the "middle principle.""