不知有汉，何论魏晋

Explanation: Do not know the Han dynasty, the Jin dynasty San Guowei and even do not know. Described as unrealistic due to the long-term, on the social situation, especially new things unknown. Also described the lack of knowledge, learning shallow. 　　Source: Jin Tao, "Peach Blossom Spring," Ancestors Biqin when the chaos, the rate of wife, Yi Ren, to the desperate, do not return Yan, then the interval with outsiders. This is what the world asked, is not I do not know Han, Wei and Jin Ho. "