This chapter is focused on aspects ot the superordinate Idea of the Good. Why is the first principle of all a normative principle (Section 2.1)? How does the Idea of the Good differ from an “ordinary” Form of the Good (Section 2.2)? Why is the unhypothetical first principle of all also the goal of everything, that which all desire (Section 2.3)? How does the Idea of the Good differ from the Demiurge? Why is the Demiurge good but not the Good (Section 2.4)? How is the admonition in Theaetetus to “assimilate to god” related to the Good as goal (Section 2.5)? In Symposium, the relation between eros and the Good is explored (Section 2.6). In Lysis, the idea of a “prōton philon” is comapred to the Idea of the Good as goal (Section 2.7). The evidence frrom Aristotle and from the indirect tradition that Plato identified the Good with “the One” is assembled. Why is oneness an index of goodness? The idea of integrated unity according to kind is introduced (Section 2.8).