In 1645, as he was looking back at his long and successful career as a samurai, where a single loss often meant death, Miyamoto Musashi concluded that although rigorous sword practice was essential, it wasn’t enough. At the end of the first chapter of A Book of Five Rings, he also admonishes aspiring warriors to “Cultivate a wide variety of interests in the arts” and “Be knowledgable in a wide variety of occupations.”
Similarly, Boyd, who was was a keen student of Musashi, described his method as looking across a wide variety of fields — “domains” he called them — searching for underlying principles, “invariants.” He would then experiment with syntheses involving these principles until he evolved a solution to the problem he was working on. Because they involved bits and pieces from a variety of domains, he called these syntheses “snowmobiles” (skis, handlebar from a bicycle, etc.) Continue reading