Core Viewpoint - The article reflects on the life and impact of Zhang Xuefeng, a prominent educator in China, who passed away at the age of 42 due to sudden cardiac arrest, highlighting his contributions to the education sector and the intense pressures he faced in his career [4][20]. Group 1: Background and Rise - Zhang Xuefeng was born in 1984 in Qiqihar, Heilongjiang, and began his career in a graduate exam training institution, starting from a sales position [6][7]. - His breakthrough came when he began teaching, transforming graduate exam preparation into engaging performances using humor, which led to his rapid rise as a "internet celebrity teacher" [9][10]. - In 2016, he founded Yantu Education, transitioning from lecturer to entrepreneur, and gained millions of followers on social media while publishing multiple exam preparation books [10][11]. Group 2: Work Ethic and Philosophy - Zhang was known for his extreme work ethic, often traveling to over a hundred cities in a year and conducting multiple lectures in a single day [14]. - He dedicated himself to his students, often working late into the night and spending over 200 days a year in hotels, driven by a sense of responsibility towards his students' futures [15][16]. - His belief that education is an urgent matter motivated him to push himself relentlessly, stating that without hard work, students' futures would be compromised [15]. Group 3: Controversies and Legacy - Zhang's career was marked by controversies, with critics accusing him of creating anxiety among students and questioning his commercialization of education [17][18]. - Despite the criticisms, he maintained that his primary concern was his students' success, acknowledging the complexities of his influence on the educational landscape [18]. - He is remembered as a figure who broke down information barriers for students from ordinary backgrounds, providing them with guidance on navigating the competitive education system [18][19].