Plotinus' Cosmology: A Study of Ennead II.1 (40): Text, Translation, and CommentaryIn Ennead II. 1 (40) Plotinus is primarily concerned to argue for the everlastingness of the universe, the heavens, and the heavenly bodies as individual substances. Here he must grapple both with the philosophical issue of personal identity through time and with the rich tradition of cosmology which pitted the Platonists against the Aristotelians and Stoics. What results is a historically informed cosmological sketch explaining the constitution of