Note 360 — FOURTH ENNEAD, BOOK TWO. How the Soul Mediates Between Indivisible and Divisible Essence.
Kenneth Sylvan Guthrie translation
Plutarch, de Plac. Phil. v. 21; Cicero, de Nat. Deor. ii. 11. The "predominating principle" had appeared in Plato's Timaeus, p. 41.