1. Xue Tan's Biography tells us that learning is endless, and we must never be complacent if we succeed. Don't try to learn, but we must be open-minded and persistent. It doesn't matter if you make mistakes, it's the most important thing to correct them. Don't be complacent just because you have a little superficial knowledge, but study hard and surpass yourself. Because there is no limit to learning, and you will always improve. Learn scientific and cultural knowledge with an open mind, or learn endlessly.
2. The story of Xue Tan's Biography: Xue Tan's biography is from Liezi Tangwen, an ancient book, which tells that Xue Tan learned to sing from Qin Qing, but he thought he had finished learning Qin Qing's singing skills before he fully mastered them, so he left and went back. Qin Qing didn't dissuade him. He gave him a banquet with wine and food beside the road outside the city. Qin Qing beat the beat and sang elegies loudly. The song vibrated the trees, and the volume stopped the flowing clouds. Xue Tan apologized to Qin Qing and wanted to come back and continue her studies. From then on, he never dared to say anything about going back until he died.