1. A gentleman strives for self-improvement. -

Translation of Zhouyi: As a gentleman, one should have a strong will, never-ending spirit of struggle, strive to strengthen self-cultivation, complete and develop one's studies or career, and only in this way can one reflect the will of heaven and live up to the responsibilities and talents given to a gentleman by the universe.

2. See the sage Si Qi, and introspect if you don't. -The Analects of Confucius

Translation: When you see someone who has more advantages than yourself in a certain respect, you should consult modestly, study hard, and try to catch up with him and reach the same level with him; When you see someone with some shortcomings or deficiencies, you should calmly reflect and see if you also have his shortcomings or deficiencies.

3. A gentleman is nothing more than being kind to others. -Mencius

Translation: The greatest strength of a gentleman is to treat others with a noble and benevolent heart.

4. Good medicine is good for illness when it suffers from the mouth, but good advice is good for action when it goes against the ear. -

Translation of Confucius' Family Words: Good medicine tastes bitter but is beneficial to cure diseases; Words of advice may sound unpleasant, but they are beneficial to people's behavior.