irrational and the non-logical in much modern discussion is merely the rediscovery of the ordinary transactions between the self and the world, or between subject and object. Such transactions had seemed to end with the effects of phonetic literacy in the Greek world. Literacy had made of the enlightened individual a closed system, and set up a gap between appearance and reality which ended with such discoveries as the stream of consciousness. As Joyce expressed it in the Wake , “My consumers are they not my producers?” Consistently, the twentieth century has worked to free itself from the conditions of passivity, which is to say, from the Gutenberg heritage itself. And this dramatic struggle of unlike modes of human insight and outlook has resulted in the greatest of all human ages, whether in the arts or in the sciences. We are living in a period richer and more