The most famous sentence in "Self-protection" is "The worry of a scholar is still worth mentioning." You can't say you're a woman. "

From The Book of Songs. It means: a man can get away if he is addicted to love. A girl addicted to love can't get rid of it. Generally speaking, women are more infatuated than men, and they have always been infatuated. This poem teaches women not to give blindly, but to immerse themselves in it, otherwise the consequences will be unimaginable.

This sentence still has reference significance for the present.