2. The life of a gentleman should be like the sky, resolute and persistent, and never stop; A gentleman should be like the earth, thick and smooth, benevolent and moral, and inclusive.
3. The ancients believed that people with high self-cultivation must have high status. For example, people in bulk have the conditions to receive a good education from an early age, and have relatively high quality and accomplishment in etiquette, literature and art. Listening to music is elegant music; Low-status villains generally have no conditions to receive the best education, and can only listen to simple music or even street pop music. This difference in education quality and accomplishment will naturally affect people's moral standards.