Universal analogy as a principle which underlies a variety of intellectual sciences in the Middle Ages and the Renaissance has been a topic for students of this period for a long time and in a variety of ways. The doctrine of correspondences, the levels of allegory, the art of memory, Neo-Platonism, the metaphysical conceit, the political theology of king and state, alchemy, astrology, and hermeticism all, in one way or another, reveal the endemic characteristics of asserting and explaining a symbolic and harmonious relationship which prevails among many things. The consequences of this phenomenon seem to be limitless, both for the culture in question and for those who choose to give some account of it.