1. If the age is not cold, there is no way to know the pines and cypresses; if things are not difficult, there is no way to know the gentleman. ——"Xunzi·Da Lu" Warring States

Interpretation: Without going through the coldest time of the year, it is impossible to know that the pines and cypresses will wither last; without going through a difficult test, it is impossible to know whether a person is a true gentleman. .

2. Frugality is the greatest virtue; extravagance is the greatest evil. ——Zuo Qiu Ming's "Zuo Zhuan" in the late Spring and Autumn Period

Interpretation: Frugality is the greatest virtue among all virtues, and luxury is the greatest evil among all vices.

3. Control things with righteousness and control the mind with etiquette. ——"Shang Shu·Zhong Hui's Edict" Shang

Explanation: to judge state affairs according to morality and manage people's hearts according to etiquette.

4. Worry about the world’s worries first, and rejoice after the world’s happiness. ——Fan Zhongyan of the Song Dynasty, "Yueyang Tower"

Explanation: A man with lofty ideals should worry before the people of the world and enjoy after the people of the world.

5. A gentleman loves his relatives when he is virtuous, and a villain takes pleasure in his relatives and benefits them. This will never be forgotten until the end of the world. ——Zengzi's "The Great Learning" at the end of the Spring and Autumn Period

Interpretation: The gentlemen of future generations will respect the virtuous kings of the previous generations and marry the relatives of the virtuous kings of the previous generations. The people of future generations will enjoy peace and happiness and benefit from the virtuous kings of the previous generations. In this way, even if the wise king of the previous generation passes away, he will not be forgotten.