I. The Enneads

"But neither his writings nor Porphyry's description of his teaching (Life, 13 and 18) have any suggestion of the dry, tidy, systematic, authoritarian presentation of the scholastic text-book." viii

"...[Porphyry] arranged the treatises according to subject-matter and not in chronological order. In fact, a division of Plotinus's works according to subject-matter is bound to have a great deal that is arbitrary in it because Plotinus does not, as has already been remarked, write systematically; there is no tidy separation of ethics, metaphysics, cosmology, and psychology in his treatises." ix-x

"...the student of his ethics must be familiar with the Sixth (and all other) Enneads as well as the First," x

"...the First Ennead has an ethical emphasis," x

II. The Thought of Plotinus