What does Mencius mean by benevolence, righteousness, propriety and wisdom? How to cultivate and develop benevolence, courtesy and wisdom in human nature?

Confucian ethical thought benevolence: benevolence; Righteousness: loyalty; Ceremony: etiquette; Wisdom: knowledge. Abide by moral norms such as kindness, loyalty, etiquette and diligence in learning, and increase knowledge.

Source "Mencius Gongsun Zhang Chou Sentence"

Compassion is the purpose of benevolence; The heart of shame and evil, the end of righteousness; The words of the heart are the end of the ceremony; The heart of right and wrong is also the end of wisdom. Man has four ends, but he still has four bodies.

"Benevolence, righteousness, courtesy and wisdom are not foreign, but inherent to me. I am thinking." Mencius believes that not only human nature is good, but also human nature has "four hearts", and even the four qualities of benevolence, righteousness, courtesy and wisdom are "inherent in me" So what we have to do now is to find benevolence, righteousness, propriety and wisdom in ourselves and in our nature, and give full play to our natural qualifications. The requirement of this topic is to talk about your own feelings. Therefore, students can talk from all angles of this material and write from any angle of benevolence, righteousness, courtesy and wisdom. "Benevolence" is the traditional virtue of the Chinese nation, and it has become the hub of China's cultural spirit. It may be easier and more profound to write from the perspective of "benevolence"