Gu Xiancheng's famous sayings:

The sound of wind, rain, and reading are all heard;

Care about family affairs, national affairs, world affairs, and everything.

It is written on the gate of Donglin College. This is also the meaning and purpose of Gu Xiancheng and his friends to establish Donglin College and devote themselves to teaching at Donglin College. This couplet reflects the loyalty of patriots headed by Gu Xian to the country. This sentence has become a patriotic saying and is still widely used today.