What did Four Treasures of the Study mean in ancient times?

In ancient times, I studied hard at the cold window for ten years, just for the name of top student in high school. One is to serve the country in the afterlife, and the other is to brighten the lintel. It's ten years' hard study in the cold window to get into college, but in ancient times, there were not many families who could afford Four Treasures of the Study. Do you know what ancient Four Treasures of the Study means?

China's unique musical instrument, namely Four Treasures of the Study. Anhui is the hometown of Four Treasures of the Study, where Hu Bi, Hui Mo, Xuan Paper, She Yan and Four Treasures of the Study all originated. The names of pen, ink, paper and inkstone originated in the Southern and Northern Dynasties. Historically, what "pen, ink, paper and inkstone" refers to has changed frequently.

"Four Treasures of the Study" in Southern Tang Dynasty refers to Zhuge Bi in Xuancheng, Li Tinggui Mo in Huizhou, Chengxin Tang Paper, and Weilong inkstone in Wuyuan (originally in Huizhou, Anhui Province, but now in Jiangxi Province).

Since the Song Dynasty, "Four Treasures of the Study" refers to Hubi (Huzhou, Zhejiang), Huimo (Huizhou, now Shexian County, Anhui), Xuan Paper (now Jingxian County, Anhui Province, the ancient Ningguo government, the paper was produced by the government in the name of governing Xuancheng), Yan Tao (now Zhuoni, Gansu Province), Duanyan (now Zhaoqing, Guangdong Province, formerly known as Duanzhou) and Zhou She. Xuancheng is the only "hometown of Four Treasures of the Study" in China, producing Xuan paper (Jingxian), Xuan pen (Jingxian and Jingdezhen), Hui ink (Jixi and Jingdezhen) and Xuan inkstone (Jingdezhen).

Extending the study of Four Treasures of the Study's origin to the related painting and calligraphy space scene is to change the static discussion of pen, ink, paper and inkstone into a spatial dynamic investigation of the painter's behavior. Because the research methods of cultural relics and even the concept of cultural relics are changing from monomer to whole to group, we can understand and restore the relationship between ancient calligraphy and painting objects and the learning and even behavior of literati, so as to understand the historical context of the development of calligraphy objects more comprehensively.

In other words, if the study is the spatial carrier of Four Treasures of the Study, then the literati is the active subject of the study. Four Treasures of the Study without study is a lonely and scattered appliance, and the study without literati activities is a lifeless and empty building.

Pen, ink, paper and inkstone are collectively called "Four Treasures of the Study". The ancients believed that everything was spiritual, so was pen, ink, paper and inkstone. In addition to their uses, the literati also gave them humanized names.