有些事情,看起来各不相干,有时候却可以互相联系,互相启发。据說唐代书法家张旭看了公孙大娘舞剑,书法大进,后来成为“艸圣”。至于李白看見鉄杵磨針,发憤向学的故事,是誰也知道的。古人說:“他山之石,可以攻玉。”便 Some things seem irrelevant, and sometimes they can be linked to each other and inspire each other. It is said that the Tang Dynasty calligrapher Zhang Xu Gongsun aunt saw the sword, calligraphy big progress, and later became “stupid holiness.” As Li Bai saw mortar and pestle, angry story to learn, who knows. The ancients said: “The stone of other hills can attack jade.”