>>17777392 (OP)>PlethoAll he's done was reintroduced Platonism to the west by giving us correct copies, and we know these are copies, because his versions matched the quotations made by Latin authors in Greek, which as such could not have been edited by the Christian copyists in the West
We do actually have knowledge about periods before our own. Not nearly as much as we'd like, but we do. Marcus Aurelius literally cites both Plato and Socrates in his Meditations.