“What birth gives birth to dies, but what gives birth to birth never ends. What form forms is substance, but what forms form has none. The sound made by sound is audible, but what makes sound sound is not emitted.
Conversation
. . . These are all functions of the uncreated; it can be yin or yang, soft or hard, short or long, round or square, vital or morbid . . . It has no knowledge and no ability, yet there is nothing it does not know, nothing it cannot do.”
— Liezi