Infernal Affairs, a poem by Ceng Zhiwei.

When a general succeeds, he says that he has a right-hand man, and when he succeeds in the future, he will come to a miserable end. This sentence paves the way for Liu Jianming (Andy Lau) to kill Chen Han (Ceng Zhiwei).

This is a poem written by Cao Song in the Tang Dynasty. The whole poem is as follows: Zeguo Jiangshan entered the war map, and the people were happy. Please don't mention anything about Hou Feng, how many lives will be sacrificed for a person's success!

The meaning of this sentence in the original poem is by no means to ask people how to pay homage to each other. Anyone who makes a name for himself is bound to make many sacrifices. Simply put, the general's contribution is based on the soldiers' bones.