《淮南子·原道训》
各种奔走、飞翔、蠕动、爬行的动物靠道而生，但都不知这是道的恩德；因道而死，但都不知怨恨道。
跂行喙息，蠉飞蝡动，待而后生，莫之知德；待之后死，莫之能怨。
All creatures walking, flying, creeping, or crawling, are produced by the Tao, but they do not realize its grace; they die because of the Tao, but they do not realize its hate.