113 180 ancient approximately1215-1286 approximately480-approximately550 aristotle causation classical cleary cosmology creation criticismandinterpretationhomer criticismandinterpretationproclus damaskios earlyworksto1800 epicpoetry eternity firstphilosophy greek greeklanguage history historyandcriticism historyandcriticismproclus homer johnj manuscripts neoplatonism one(theoneinphilosophy) philosophy philosophyofnature plato platonists proclus providenceandgovernmentofgod surveys translationsintolatin william