Is there a true gentleman in history?

Considering that this is the work of barbarians, Xiao Yi took great pains and spent a lot of time studying horse breeding, and wrote a monograph on horses, called "Xiangma Jing", in which the research results are said to have surpassed the level of the Xiangma expert Bole. He is also interested in some unorthodox knowledge despised by honest people. He can even tell his fortune by observing the stars and know the general trend of the world.