Heaven is yin, earth is yang, all things are transformed into the five elements. The heart is fire, the liver is gold, the spleen is water, the lungs are earth, and the kidneys are wood. Only by absorbing the qi of the five elements into one body can you practice, transform the qi into shape, and condense the dharma body outside the body. The twelve animals transformed into elements are rat, ox, tiger, rabbit, dragon, snake, horse, sheep, monkey, rooster, dog, and pig, which respectively correspond to , Chou, Yin, Mao, Chen, Si, Wu, Wei, Shen, You, Xu, and Hai.
