1. Do not believe the word forever
unchangeable is iron, which is often the reason stout, simply because the power of temptation is not big enough.
永远不要相信坚贞这个词是用铁打的，很多时候，之所以坚贞，仅仅是因为诱惑的力量不够大。
2. 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，也因为其持久不变的特性，所以我们肯定阴阳四季的变化都必按着一定的轨道运行，春夏秋冬轮替，不会混乱。
3. The fundamental flaw of traditional main-stream economics lies in its theoretical framework with the feature of economy separating from ecology, and views the nature as an
unchangeable factor.
传统的主流经济学的根本缺陷在于其理论框架以生态与经济的相分离为特征，将自然界作为一个不变因素。
