遗迹谈虚

Explanation: According to the talk refers to abandon mystery. 　　Source: Song Cheng Dachang "<speech Fanlu> order," though there is back of the (Han Yu) of the study can be no return of the remains of the school and talk about the virtual, fear of aid, according to As a result, gold and silver or gold with the root of trade, and Nan carry on. "