Before the autumn wind starts, cicadas already feel that it is impossible to prevent, so that some people don't know when they were assassinated, so they should always be alert to the assassination of bad people in the world. Metaphor is to perceive the changes that will happen in advance.
Introduction to celebrity collection;
Celebrity Collection is one of the famous textbooks for children's moral education in ancient China. The specific author is unknown. From the content analysis, it was compiled by Confucian scholars after the Southern Song Dynasty. It is a collection of good words and deeds of famous sages since Confucius and Mencius, as well as proverbs and proverbs circulating among the people to treat people, treat people and study Xiu De. Some of them have also infiltrated the thoughts of Buddhism and Taoism, and there are many insightful and inspiring sentences.
This sentence is also mentioned in the fifteenth novel "Five Breaking Deaths" in the Ming and Qing Dynasties, "Chunying was innocently murdered by Ji Kun in the dark".