In this essay of extraordinary scope and depth, Eric McLuhan explores faith as a form of knowing. He does so against the backdrop of preliterate man’s concrete, bodily submersion in the putting on of poetry and drama (the practice of mimesis) and post-literate man’s bodiless submersion in electronic communication, in which sender and receiver are everywhere and nowhere at once. In traversing the Aristotelian and Medieval concept of sensus communis, he examines synesthesia as, in effect, its...