Allusions about Chengmen Sydney

As far back as the Northern Song Dynasty, there was a scholar named Shi Yang in Jiangdong County, Fujian Province. He especially likes reading, looking for teachers and friends everywhere, and studied under the famous scholar Cheng Hao. After Cheng Hao's death, he recommended Shi Yang to his younger brother Cheng Yi to study in Yichuan Academy. Shi Yang was over forty years old at that time, and his knowledge level was quite high. However, he is still modest and prudent, and respects his teachers and friends. He was deeply loved by Cheng Yi and regarded as a proud pupil by Cheng Yi. One day, you Zuo, who was studying with him, asked Cheng Yi for advice, just in time for the teacher to take a nap in the room. Shi Yang advised Youzuo not to wake up the teacher, so they stood quietly at the door, waiting for the teacher to wake up. After a while, it snowed heavily and became more and more urgent. But Shi Yang and Youzuo are still standing in the snow. Youzuo can't stand the cold. He tried to wake Cheng Yi several times, but Shi Yang stopped him. It was not until Cheng woke up that he suddenly found two snowmen outside! From then on, Cheng Yi was deeply moved and tried his best to teach foreigners. Shi Yang didn't expect much, and finally learned all the knowledge of the teacher. Later, he returned to the south to spread Cheng Zhu's Neo-Confucianism and formed a unique school, known as "Mr. Kameyama". Later generations used the allusion of "Chengmen Sydney" to praise those students who are good at learning, honest and dedicated, and respect teachers.