Group 1 - The core idea of the article emphasizes the concept of maturity, which is defined by the ability to manage emotions, bear responsibilities, and let go of past grievances [4][59]. - Emotional regulation is highlighted as a key indicator of mental maturity, with examples illustrating how successful individuals conceal their emotions to maintain composure in challenging situations [8][17]. - The article discusses the importance of resilience and endurance in life, suggesting that true talent lies in the ability to withstand difficulties and setbacks [30][36]. Group 2 - The narrative includes a story about a high school student who, after facing unexpected challenges, succumbed to despair, illustrating the consequences of being unprepared for life's adversities [27][28]. - The article references historical figures like Liu Bei, who, despite numerous failures and hardships, ultimately achieved significant success, reinforcing the idea that perseverance is crucial [34][36]. - It emphasizes that life is a marathon where endurance is more important than speed, and one must learn to rise after falling to reach their goals [36][38]. Group 3 - The article discusses the necessity of letting go of past pains and grievances, comparing individuals to smartphones that need regular maintenance to function optimally [39][40]. - A story is shared about a man who, after being wrongfully imprisoned, could not move on from his past, highlighting the detrimental effects of holding onto resentment [41][44]. - The importance of forgiveness and moving forward is underscored, with examples of individuals who achieved greatness by releasing their burdens and focusing on the future [52][54].