在时代发展中书写无悔青春（思想纵横）

Group 1 - The article emphasizes the importance of youth in the context of China's modernization and the responsibilities they hold in achieving national rejuvenation [1][4] - It highlights the need for youth to balance ambition with practical efforts, suggesting that success requires both lofty goals and the ability to create and grasp conditions [2][3] - The text illustrates various fields where young individuals are making significant contributions, such as technology, rural revitalization, disaster response, and international cultural exchange [3][4] Group 2 - The article references historical perspectives on youth, quoting figures like Li Dazhao to underline the role of young people in shaping the future of the nation and the world [4] - It calls for youth to harness their potential by adhering to historical materialism, recognizing objective conditions while actively engaging in societal development [4] - The message conveys that with determination and practical skills, youth can contribute to the overarching goals of national development and modernization [3][4]