Tao itself is eternally unchangeable, for which it is sure that change of four seasons is done in a certain track. Alternation of four seasons never is in disorder.

• 道本身是永恒不变的,也正因为其持久不变的特性,所以我们才能够非常的肯定,阴阳四季的变化,都必定是按照着一定的轨道在运行,春夏秋冬轮替,不会混乱。