“Environments are not passive wrappings but active processes. In his splendid work Preface to Plato (Harvard University Press, 1963), Eric Havelock contrasts the oral and written cultures of the Greeks. By Plato’s time the written word had created a new environment that had begun to detribalize man. Previously the Greeks had grown up by benefit of the process of the tribal encyclopedia. They had memorized the poets. The poets provided specific operational wisdom for all the contingencies of life — Ann Landers in verse. With the advent of individual detribalized man, a new education was needed. Plato devised such a new program for literate men. It was based on the Ideas.”