In a very famous analysis and panegyric of the philosopher, Plato claimed that he is a man magnificent in mind and the spectator of all time and all existence. These are great words, and words made venerable by ancient repute and centuries of citation. Unfortunately, however, like many such utterances they can only be regarded as hyperbolic and rhetorical; and in an age that, failing in inspiration and fecundity of intuition, seeks at least to be precise, thay must suffer limitation. For the lumen siccum of reason shows that the phrase “all time” involves a contradiction, and that the human mind, by nature limited both in amplitude and in profundity,