立鸿鹄志，做奋斗者

Group 1 - The core message emphasizes the importance of ambition and perseverance in achieving one's dreams, highlighting that high aspirations and hard work are essential for success [1][2][3] - The narrative of a Beijing University doctoral graduate illustrates a journey of overcoming challenges through relentless effort, serving as an inspiration for others [1] - The experiences of astronaut Deng Qingming and Olympic athlete Xu Mengtao exemplify the dedication and resilience required to pursue long-term goals, reinforcing the idea that consistent effort leads to significant achievements [2][3] Group 2 - The articles collectively stress that youth is a critical period for establishing ambitions and that a strong sense of purpose can guide individuals through life's challenges [1][2] - The notion that dreams are realized through incremental progress and unwavering commitment is a recurring theme, suggesting that success is built on small, persistent efforts [2][3] - The encouragement for the younger generation to seize opportunities and strive for excellence reflects a broader societal expectation for continuous personal and professional development [3]