《黄帝四经·十大经·顺道》
黄帝问力黑说：大庭氏的取得天下，他并不需要去辨别阴阳晦明、不记数年月时日、也不认知四时节序，然而阴阳晦明、四时节序却自然有规律的交替运转，各种物质生活资料也自然生成长就。
黄帝问力黑曰：大庭氏之有天下也，不辨阴阳，不数日月，不志四时，而天开以时，地成以财。
The Yellow Emperor asked Li Hei: The Da Ting clan obtained the world, he did not need to distinguish between yin and yang, obscurity and brightness, he did not remember the months and days, nor did he recognise the four seasons, yet yin and yang, obscurity and brightness, and the four seasons naturally alternated in a regular manner, and all manner of material goods were naturally produced and grew.