Core Viewpoint - The articles highlight the virtues of frugality and self-restraint exemplified by historical figures Yan Zi and Lü Mengzheng, emphasizing their moral character and contributions to society through their simplicity and generosity [1][2][3]. Group 1: Historical Figures and Their Values - Yan Zi, the Prime Minister of Qi, lived a life of simplicity, wearing coarse clothing and sharing his resources with those in need, demonstrating the principle of frugality as a noble virtue [1]. - Lü Mengzheng, a prominent figure from the Northern Song Dynasty, experienced poverty in his youth but maintained his integrity and commitment to education, later using his wealth to support others' learning [2]. - Both figures represent a moral compass in their respective eras, advocating for self-restraint and generosity rather than mere accumulation of wealth [3]. Group 2: Impact on Society - Yan Zi's actions during a famine, where he distributed his own food to the needy, illustrate the impact of frugality on community welfare [1]. - Lü Mengzheng's establishment of the "Yegua Pavilion" serves as a reminder of his humble beginnings and commitment to not forget his past, reinforcing the importance of education and support for future generations [2]. - The narratives of both figures serve as a call to reflect on contemporary values, contrasting materialism with the principles of simplicity and responsibility [3].