Wu Yinglai's poem "I miss you at the end of the year": "The piano is small and the sword is bold and unrestrained." Later, he used "courage and heart" to describe the combination of rigidity and softness, and Ren Xia was elegant. Qing Xin Guangdong Wusheng's "Looking Back at Huang Xiaoyang": "Sword and brave craftsmen have a strange way to add fuel to the flames." Ouyang Shan's "San Fang Ji" 20: "Is this ginger only two tricks? To be honest, it is simply outstanding and brave. "