The Four Treasures of the Study are unique clerical tools in China. The name "study" originated from the Northern and Southern Dynasties in Chinese history (420-589). It specifically refers to the study room of scholars. Pens, ink, paper and inkstones are used in the study, and they are known as the "Four Treasures of the Study".
The emperor was unable to do anything, so he had no choice but to take the final blow. The breast immediately took out the Four Treasures of the Study.
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The fastest and slowest, longest and shortest, most common and most precious, most easily overlooked and most regrettable thing in the world is time. How mu