"Standing at Thirty" is selected from the second chapter of The Analects of Confucius, political chapter.
The main content of "Being a Politics" involves Confucius' thought of "ruling by virtue", the basic principles of how to seek and be an official in politics, the relationship between learning and thinking, the process of Confucius' own learning and cultivation, the review of new learning methods in the past, and the further elaboration of filial piety and other moral categories.