So Ding Ce wrote a poem to express the feeling of sighing "Yi Yin Cheng Tang De Ye You Nanchao put Jie crown princes" Who would have thought that when Sanjiu met Xin Feng the unified Chinese and barbarians all belonged to Zhou When Ding Ce finished his poem he saw a man come in from outside the gate It turned out to be his sworn brother Guo yuan When they met they saluted each other and sat...