Do She-sun points out that before writing was widespread, poetry was carried from this mountain over the next, from this lake to the next, by the human voice. It was thus transmitted to succeeding generations.
杜十三指出，早期在文字尚未成型、統一的社會，詩歌是以人聲，從這一山唱過那一山，從那一水傳到這一水，眾人共鳴之後又傳給下一代的。