C217
A passage from the 'Chaotic Art' appeared in Mo Feng's mind, "It is easy to have taiji, but to have two abilities …" The Two Elements gave birth to the Four Symbols, and the Four Symbols gave birth to the Eight Trigrams. " The two elements, yin and yang, can be proclaimed as heaven and earth, day and night, men and women, and so on at different times. The four phenomena were Shaoyin, Shaoyang