高山流水

- (比喻知己、知音或樂曲高妙) lofty mountains and flowing water; (a classical allusion from the story of Bo Ya 伯牙 an adept in playing the dulcimer. When Zhong Ziqi 鍾子期 heard him play, he could tell where the latter's ambition lay： his lofty aims, his aspirations, etc. But how rarely one could meet people like Zhong Ziqi!) -- referring to the harsh reality that talent and ability can rarely meet [find] people who can really appreciate them