translation.en: But I want to go back now and revisit these steps, and talk about it from the standpoint of transformation, because I really believe that all things can be understood -- and this is not my own idea. This goes back to the Scholastics and to the Ancients -- that all things can be understood on four levels: the literal, the metaphoric or poetic level, the political or ethical level.
translation.zh: 但我还想再回顾一下这些步骤， 从转变的角度再看看究竟发生了什么。 因为我相信， 所有事物都是能被弄明白的， 这不是我一个人的想法。这可以回溯到古代哲学家的时代， 所有的事情都可以在四个层面上被理解： 文字层面，隐喻或者诗化层面， 政治或者道德层面，