高山流水

（比喻知己、知音或乐曲高妙） 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 锺子期 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 ;