Plotinus : the ethical treatises, being the treatises of the first Ennead, with Porphyry's Life of Plotinus, and the Preller-Ritter extracts forming a conspectus of the Plotinian System /ctranslated from the Greek by Stephen MacKenna
Plotinus; Porphyry, ca. 234-ca. 305; Mackenna, Stephen, 1872-1934