Supreme Ultimate, which was said by Shao Yong, importer of the Book of Changes in the Song Dynasty (960-1279). Lao Zi held that everything in the universe was called "existence," which was produced by "non-existence," or the Dao. In Shao Yong's opinion, the Dao or the Supreme Ultimate bore two parts: yin and yang. In other words, "one produced two." Yet, there is no clear distinction between yin and yang. The Thirty-six Tricks—a book written by an unknown writer and has long been taken seriously by strategists of past dynasties—mentions that "yin is included in yang, rather than opposite to yang." This has resulted in the third meaning -the four phenomena: yin, yang, yin in yang and yang in yin. These complicated relations between yin and yang form everything in the universe. In order to show an interrelated and transformable relations among the above yin and yang, an s-shaped line is used to separate the black and white—the yin and yang—on the diagram of the Supreme Ultimate. It should be pointed out that the graphic diagram is not just two dimensional, rather, it is three- or multi-dimensional. The three-dimensional diagram drawn by computer can better illustrate this ancient, yet vital diagram of the Supreme Ultimate.