他说,世界的规律是开花然后凋零,但在人类的事务中没有衰落,他表达的正午预示着黑夜的来临。他的精神在成就的巅峰就已耗尽。他的全盛时期同时也是他黯淡的开始,他白昼的黄昏。
道是虚无中最真实的存在;术是变化中最玄妙的技艺。
Man is the measure of all things: of things which are, that they are, and of things which are not, that they are not.