Introduction to the inscription: Chao Chaowen wrote in the inscription: Duke Zhou assisted his young master in a responsible manner, without the selfish distractions revealed by some practical workers today. From this point of view, it should be said that it has a certain degree of enlightenment for us no matter what kind of work we are engaged in. At the same time, what is interesting is that at that time, he was content to play a supporting role, but his outstanding achievements made later people respect him as the protagonist. The existence of King Zhou Cheng became circumstantial evidence of Zhou Gong's talent, especially his character.