《淮南子·原道训》
它是既柔靡又纤微。因此，山凭藉它才高耸，渊凭藉它才深邃，兽凭藉它才奔走，鸟凭藉它才飞翔，日月凭藉它才光亮，星辰凭藉它才运行，麒麟凭藉它才出游，凤凰凭藉它才翱翔。
泰古二皇，得道之柄，立于中央；神与化游，以抚四方。
It is pliable and fine. That is why mountains can be tall, abysses deep, beasts run, birds fly, the sun and moon shine, the stars revolve, qilins prance, and phoenixes soar.