"New people are not as sad as old people, and old people are not as beautiful as new people." This sentence comes from "Zhuangzi Tian Zifang", which means that new people are not as sad as old friends, and old friends are not as sad as new people. beauty. This sentence is often used to describe the relationship between men and women, meaning that the older one is not as beautiful as the younger one, and the younger one is not as sad as the older one.