1. Chen Ping endured humiliation and studied hard. Chen Ping, a famous prime minister in the Western Han Dynasty, was poor when he was young, and he and his brother depended on each other. In order to uphold his father's destiny and shine in the family, he did not engage in production and studied behind closed doors, but his sister-in-law did not tolerate it. In order to eliminate the conflict between brother and sister-in-law, he endured the humiliation repeatedly. As the sister-in-law became more and more serious, she finally couldn't bear it anymore and ran away from home, wanting to wander around the world. After being recovered by his brother, he ignored the previous grudges and prevented his brother from divorcing his sister-in-law, which became a good talk among the locals. Finally, there was an old man who came here because of his reputation and accepted apprenticeships for free. After completing his studies, he assisted Liu Bang and achieved great success. 2. Kuang Heng, who was Emperor Yuan of the Han Dynasty and was fond of reading since he was a child. But the family is very poor and they don’t even have enough food to eat. How can they have money to go to school? He had to work during the day and study by himself at night. What should I do if my family doesn’t have money to buy lamp oil? Kuang Heng did not give in to the difficulties and came up with a way: he cut a small hole in the wall and read and study using the weak light from his neighbor's house. He worked hard, learned a lot of knowledge, and later became prime minister. 3. Che Yin Nang Ying reads at night. Che Yin, courtesy name Wuzi, was born in Nanping (today's Gongan City, Hubei Province) in the Jin Dynasty. His family was impoverished since he was a child, but he was very diligent in studying. "The poor family did not often get oil, so in the summer months, they would hold dozens of fireflies in their bags to illuminate the books. "The story of Che Yin and Nang Ying reading has been passed down as a beautiful story in history, inspiring generations of scholars in the future. 4. Li Mi’s horn hanging book. During the Sui Dynasty, Li Mi was assigned as a bodyguard in the court of Emperor Yang of the Sui Dynasty when he was a boy. He was flexible by nature. When he was on duty, he looked around and was discovered by Emperor Sui Yang. He thought that the child was not honest, so he was exempted from his duties. Li Mi was not depressed. After returning home, he studied hard and decided to become a learned person. One time, Li Mi rode an ox and went out to see friends. On the way, he hung the "Book of Han" on the horns of an ox and took the time to read. This incident became a legend. 5. Li Bai's "Iron Pestle Grinded into a Needle" story Li Bai studied in Elephant Er Mountain in Sichuan when he was a child. He didn't study hard and wanted to drop out of school midway. One day, he met a white-haired old woman grinding an iron pestle by a stream at the foot of the mountain. Li Bai asked what she was doing. The old woman replied: "Grinding the iron pestle into a needle." Li Bai didn't believe it, so he laughed and said to her : "How can an iron pestle be ground into a needle?" "As long as you work hard, an iron pestle can be ground into a needle." The old woman told him this truth. Li Bai immediately became enlightened. From then on, he worked hard and finally understood the meaning of "hard work." "Natural" principle.