Explanation: Wisdom should be used where ordinary people don't know, and ability should be used where ordinary people don't know.

2, the examination and approval of existence and reality, see its will with its lust.

Explanation: To investigate and judge each other's existence and reality, we should talk about each other's preferences and desires and infer each other's true intentions.

3, the beginning of the old knowledge, self-knowledge, and then know people.

Explanation: Therefore, only by knowing yourself can we understand others.

4, look at troubles, there are several trends. This sentiment is decorated into an article and then discussed.

Explanation: Everything shows a slight situation when it just changes. This is the way you lobby when you are emotional. You need to polish your words first, or make them literary and eloquent.

Creation background

During the Spring and Autumn Period and the Warring States Period, the competition between countries indirectly promoted the development of economy and culture, so a new social stratum emerged, namely scholars. They come from all aspects of society, although their status is low, but many of them are learned and talented people, some are scholars who are familiar with astronomy, calendar and geography, and some are outstanding political and military talents.

Its representatives, such as Confucius, Mencius, Mozi, Zhuangzi, Xunzi, Han Feizi, Shang Yang, Shen Buhai, Xu Xing, Sean, Su Qin and Zhang Yi, are all famous thinkers, politicians, militarists or scientists.

Due to different backgrounds and positions, scholars put forward different political opinions and demands when solving or answering practical problems. They wrote books and argued endlessly, and a hundred schools of thought contended, forming many schools such as Confucianism, Taoism, Mohism, France, Yin and Yang, famous scholars, military strategists, miscellaneous scholars, farmers, novelists and so on.

Guiguzi is named after living in Guiguzi. Inspired by frequent diplomatic activities and enthusiastic "a hundred schools of thought contend" during the Warring States period, he traveled to Qi and Wei countries to study and give lectures, and left valuable lectures in Qi.