Leng Changxi was a man of few words. However, speaking of Baili Ai, he had talked a lot about him to Qin Yunuan.

"He used to an orphan taken in by my master. He began to follow my master three days earlier than I did, so he became my senior fellow. Indeed, he learned so hard, but he lacked talent, so his progress was slow. However, he seemed to be more cunning than others. One day we needed to hand in an analysis of the five senses of human faces. It took me a long time to write ...