王国维说新学术之兴起大都源于新材料的发现。他说这番话时,正值十九世纪末至二十世纪初四种新材料(殷墟甲骨文、敦煌遗书、大内明清档案、居延汉简)相继问 Wang Guowei said that the rise of new academic sources mostly came from the discovery of new materials. When he said these things, he came after four new materials from the late nineteenth century to the early twentieth century (the Oracle of Yin Ruins, the suicide notes of Dunhuang, the archives of the Greater Inner Ming and Qing Dynasties, and Juyan Hanjian)