108 years ago today, on January 4, 1917 (December 11, 1916 in the lunar calendar), Cai Yuanpei became the president of Peking University. Mr. Cai Yuanpei On January 4, 1917, Cai Yuanpei went to Peking University to officially assume the position of president. He proposed the policy of "inclusive" in running a school. He became: "A great scholar, a school that'includes a grand ceremony and attracts all families'. The Book of Rites. The Mean says that'all things are combined and not harmful to each other, and the Tao is parallel but not contradictory ', which is enough to describe it. Universities around the world, idealism and materialism in philosophy, idealism and realism in literature and art, interference and laissez-faire in planning, motivation and utilitarianism in ethics, happiness and world-weariness in cosmology, always adhere to them. This general principle of freedom of thought is the reason why universities are big. "According to the principle of" netting all the families ", Cai Yuanpei hired Chen Duxiu as the senior of liberal arts within 10 days of taking office, and the editorial department of" New Youth "also moved from Shanghai to Beijing. Cai Yuanpei also hired Li Dazhao as the director of the library of Peking University, Hu Shi as the professor of liberal arts and the director of the philosophy department of the Institute of Liberal Arts, Qian Xuan as the professor of liberal arts and the faculty of the Institute of Chinese Literature, and Liu Bannong and Zhou Zuoren as the professors of liberal arts. Lu Xun was still working at the Ministry of Education at this time, but maintained close ties with the progressive professors of Peking University. These people were the main editors of "New Youth", and with them as the core, they formed a strong camp of the New Culture Movement. At the same time, Cai Yuanpei also retained and hired a group of professors with profound academic attainments and conservative ideas, such as Gu Hongming, Liu Shipei, Huang Kan, Cui Shi, etc., with them as the core, forming the conservative camp of Peking University. Cai Yuanpei is like the second hospital of Peking University at the time, which was located in the side of the horse temple in Jingshan