1. The hero who follows the plan is Sun Yang.
2. Follow the diagram: [Explanation]: Search: Find; Ji: Good horse. Follow the portrait to find a good horse. It means to do things by convention; It also means to seek according to clues. [From]: The Book of Han · Biography of Mei Fu: "Today, we don't follow the way of the Bo people, but we want to choose the people of the time by three generations of election. We can't get the horse in the market, and it has become clear."
3. Legend: In the Spring and Autumn Period, there was a man named Sun Yang in the State of Qin who was good at horse fighting. He could tell the good from the bad at a glance no matter what kind of horse. He was often asked to identify and select horses, and people called him Bole ("Bole" was originally the name of a star in the sky, and was said to be responsible for managing Tianma). Once, when Sun Yang passed a place on the road, he saw an old horse with a salt cart shouting at him all the time. When he came closer, he saw that it was a thousand li horse, but a little older. The old horse dragged the cart with difficulty. Sun Yang felt that he had wronged the horse. It was a BMW horse that could run on the battlefield and play a greater role. But now it is unknown to drag the salt cart, slowly consuming its vigor and strength. What a pity! When Sun Yang thought of this, he was so sad that he cried