清代理学宗师姚鼐认为,“学问之事”追求“义理”“考证”“文章”三者“相济”~①,即鲜明的思想观点、确凿的考据史料、精练的文字表达有机统一;这种理念对鲁迅研究也有借鉴价值。以《藤野先生》为例,鲁迅手稿显示,此文标题有过涂抹更改。日本学者佐藤明久借助高清照相机、红外滤镜、背面打光等设备技术,发现鲁迅当年涂掉的是“吾师”二字;《藤野先生》的原拟题目为“吾师藤野先生”~②。鲁迅为何要涂去“吾师”二字?这个 Yao Ming, a master of science in the Qing Dynasty, believes that “the matter of knowledge” is the pursuit of “justice”, “textual research”, “article”, “three” Textual research according to historical data, scrutiny of the organic expression of text; this concept also has reference value for the study of Lu Xun. Take “Fujino” as an example, Lu Xun’s manuscript shows that this article title has been altered. Japanese scholar Sato Akihiro with high-definition cameras, infrared filters, back lighting and other equipment technology found that Lu Xun was coated with “my teacher” is the word; “Mr. Fujino” originally proposed the title of “my teacher Fujino ”~ ②. Why did Lu Xun smear “my teacher” word? This