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
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