1. I will examine myself three times in a day - am I being unfaithful to others? Make friends but don’t believe it? Are you not used to it? ——Disciple of Confucius

From: "The Analects of Confucius·Xueer"

Interpretation: I reflect on myself many times every day: Have I done my best when doing things for others? Is there integrity in dealing with friends? Have you reviewed the knowledge taught by the teacher on time?

2. When heaven entrusts a person with a great responsibility, he must first strain his mind, strain his muscles and bones, and starve his body. ——Mencius

From: "Born in sorrow, died in happiness"

Explanation: If God wants to place a heavy responsibility on someone, he must first make his mind distressed and his muscles and bones distressed. Tiredness makes him hungry, his body is empty and weak, and every action he takes is unsatisfactory. This stimulates his mind, makes his temperament persevering, and increases the abilities he does not possess.

3. If you review the past and learn the new, you can become a teacher. ——Confucius

Source: "The Analects"

Interpretation: "Review old knowledge to gain new understanding and experience. With this, you can become a teacher. Review the old knowledge and learn the new." It shows that people's new knowledge and knowledge are often developed on the basis of the knowledge they have learned in the past.

4. Learning without thinking is useless, and thinking without learning is dangerous. - Confucius. His disciples and his subsequent disciples

Source: "The Analects of Confucius"

Interpretation: Just studying without thinking will make the meaning of the text meaningless, confusing and gaining nothing, just thinking without studying will make you spiritual Tired but without gain.

5. He who knows others is wise, and he who knows himself is wise. ——Laozi

Source: "Laozi's School Edition"

Interpretation: Being able to understand others. A wise person is a person who understands himself.