Pronunciation: l ǐ sh à ng w ǐ ng lá i

Commentary: Shang: Attention. It means that etiquette should be given and taken. Now it also means to answer each other with the same attitude or practice.

Source: Book of Rites Quli Shang: "Rites are reciprocal. It is indecent not to come; It is also indecent to come and not go.