(1) Zhi Zhi. "Seeking knowledge" is a process in which individuals deeply understand and grasp various ethical norms through in-depth understanding of things, and it is an important prerequisite for cultivating moral intentions and feelings of seeking good and avoiding evil, so as to choose appropriate professional codes of conduct.

(2) introspection and reflection. Introspection is the process of individual conscious moral reflection.

(3) practice. Practice is the process of putting moral concepts, norms and ideals into practice. Knowing is the idea of doing, doing is the effort of knowing, knowing is the beginning of doing, and doing is the achievement of knowing. Educational practice is an action guided by the belief of how to realize the important purpose of education in a specific environment.

(4) be cautious. "A gentleman must be cautious about his independence." When living alone or acting alone, a gentleman should always be alert to himself and never do immoral things because others don't know.