At the age of six, he became the heir after Jin Huatang Xu Wanshu. Learn from Jin Luxiang, be diligent, and it will be rolled out in a few years. Modesty is not old-fashioned, vulgar, plain and indifferent, and takes Tao as fun. The imperial court recommended the monarch many times, all of which were eloquent. Zhao Hongwei, the deputy envoy of eastern Zhejiang, was stationed in Jinling and took disciple Yan Qian as his teacher. Yan Yuan? In the first year (13 14), Xu Qian went back to his hometown suffering from cataract, was welcomed by master Xu Fuji, and soon opened the door to give lectures. I personally wrote "Eight Hua Lectures" and "Learning Rules". As far as reputation is concerned, it is "as far away as Qilu and as close as wuyue". Xu Qian teaches people, "sincerely learn, both inside and outside", in simple terms, teach students in accordance with their aptitude, and not only award imperial examinations. And the disciples, seen in more than a thousand people, have their own achievements. Modest knowledge, astronomy, geography, laws and regulations, diet, criminal law, literature, phonology, medical classics, martial arts, and interpretation of the old are all familiar. Known as "Mr. Baiyun". I have been a teacher for 40 years.