It turned out that Confucius said: "I am determined to learn five out of ten, stand at thirty, be puzzled at forty, know my destiny at fifty, listen at sixty, and act at seventy without overstepping the bounds."
Confucius said, "At the age of fifteen, I am determined to be a university student." : 30 years old, can be self-reliant; Forty years old can be confused; At the age of fifty, I learned the basic laws of the physics of Heaven. At the age of sixty, I can hear everything; At the age of 70, he can do whatever he wants and stay within the law. "
In this chapter, Confucius tells about his study and cultivation. This process is a process of gradually improving the ideological realm with the growth of age. As far as the ideological realm is concerned, the whole process is divided into three stages: the age of fifteen to forty is the stage of learning and understanding; Fifty or sixty years old is the stage of settling down, that is, the stage of being unaffected by the environment; Seventy years old is the stage of integration of subject consciousness and life rules. At this stage, moral cultivation has reached the highest level.