Although the life in earth can be searched without figure, but all inside surely form at outside, reason this from the mountain range winding fluctuant configuration, can push know inside in whether have angry flow.

• 土中生气虽无形象可寻，但是诸内必形于外，故此从山脉蜿蜒起伏的形态，可以推知内中是否有生气流动的。