Source: Song Weitai's Dong Xuanlu: "Boil only two liters of millet to make porridge, and after coagulation, cut four pieces with a knife, take two pieces in the morning and evening, break dozens of stems, marinate half an altar in juice, add less salt and spit warmly."
Story: During the Northern Song Dynasty, when Fan Zhongyan was a child, his family was very poor. He had to live in a temple, study day and night, and his daily life was very poor. He cooked porridge with two liters of millet, and after the porridge solidified overnight, he divided everything into four parts with a knife. He ate two pieces in the morning and two pieces in the evening, and then cut some pickles to eat. After studying hard, he was finally admitted to the official. His famous saying is: worry about the world first, and then enjoy the world.
Generally speaking, it is described as a monkey.