Once, there was a leaf of bamboo raft ferrying between today and yestreen, but it now vanished with only a broken rope and pole left.

一往来于今朝与昨之间，而今却已索断杆折，不知去向。

Honor wangguowei's apprecuation to the reading success ” “ three State, use the three pieces of songci for the inductiveness, the first realm is “ yestreen moeang tree withered, tokgo comes out now.

国学大师王国维把书做学问比喻成功“三个境界”，使用三首宋词进行了归纳，第一个境界是“昨西凋碧树，独上层楼，望断天涯路。”