Core Viewpoint - The article emphasizes the importance of self-discipline by advocating for less involvement in others' affairs, minimizing unnecessary talk, and reducing excessive worry about others' lives, suggesting that focusing on one's own life is the best approach to personal responsibility [12][41]. Summary by Sections Less Involvement in Others' Affairs - The article discusses the idea that intervening in others' matters can lead to complications and misunderstandings, as illustrated by the story of Baochai and Baoyu from "Dream of the Red Chamber," where Baochai's attempts to guide Baoyu led to a rift in their relationship [14][20]. - It highlights the wisdom of ancient sayings that advise against meddling in others' affairs, suggesting that doing so can bring about negative consequences for oneself [21][22]. Minimizing Unnecessary Talk - The narrative includes historical anecdotes, such as the story of Xiang Yu, where a seemingly harmless comment led to severe repercussions, illustrating that careless words can lead to significant trouble [25][26]. - The article stresses the importance of discretion and the idea that speaking less can lead to a more stable and secure life, as exemplified by the character Kong Guang from the Western Han Dynasty, who was known for his silence and discretion [28][29]. Reducing Excessive Worry About Others - The article discusses the futility of worrying about others' choices, using the example of a friend who did not appreciate unsolicited advice, emphasizing that one should respect others' life choices and boundaries [30][31]. - It concludes that individuals should focus on their own lives and responsibilities rather than trying to control or influence others, as this can lead to personal exhaustion and dissatisfaction [36][37].