1. Explain that the correct learning attitude is seeking truth from facts, and the sentence that you can't help pretending to understand is: knowing is knowing, not knowing is not knowing, knowing is also.

2, explanation:: knowing is knowing, not knowing is not knowing, this is a kind of wisdom.

3. Introduction to The Analects of Confucius

The Analects of Confucius: A collection of recorded essays in China's Spring and Autumn Period, which mainly records the words and deeds of Confucius and his disciples. Reflects the thoughts of Confucius. It was compiled by Confucius disciples and re-disciples. The book, with 20 articles and 492 chapters, is the first "bibliography". In the Southern Song Dynasty, Zhu, Mencius, the University and the Doctrine of the Mean were called "Four Books".