“It turned out that salt was a microcosm for one of the oldest concepts of nature and the order of the universe. From the fourth-century-B.C. Chinese belief in the forces of yin and yang, to most of the world's religions, to modern science, to the basic principles of cooking, there has always been a belief that two opposing forces find completion - one receiving a missing part and the other shedding an extra one. A salt is a small but perfect thing.”