Plotinus is the last great philosopher of antiquity, although in more than one respect he is a precursor of modern times. TheEnneadsbring together Platonism, mystic passion and ideas from Greek philosophy, together with striking variants of the Trinity and other central Christian doctrines, to produce a higly original synthesis. Yet despite the porfundity of his thought, and his immense influence on mystics and religious writers, Plotinus remained largely inaccessible