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 Volume 1 by ca 234-ca. 305 Porphyry | Menrva Books | MenrvaBooks