当年清华国学院的两大学者陈寅恪和王国维,庶几就是清末民初的学术标高。然而,他们面对华夏上古史的选择是截然不同的。陈寅恪选择了驻足,认为史料过于匮乏,从而聚焦于中古史亦即魏晋至隋唐的研究。王国维以文献和实物互证的二重证据法步入华夏上古史,其最主要的研究成果便是那篇著名的经典论 Chen Yin Ke and Wang Guowei and Wang Guowei of the two academics at Tsinghua National College in that year were the academic highs of the late Qing dynasty and early Republic of China. However, their choice of facing the ancient Chinese history is quite different. Chen Yinke chose to stop, that the historical data is too scarce, so as to focus on the Middle Ages that is Wei Jin to Sui and Tang Dynasties. Wang Guowei entered the Chinese ancient history with the double evidence method of literature and material mutual evidence, and its main research achievement is the famous classical theory