The spirit of independence, the idea of freedom. According to official website Query Examination Information Network, independent spirit and free thought mean that scholars should have the spirit of independent thinking and innovation, not be bound by old concepts and frameworks, be brave in exploring and discovering new knowledge and ideas, and pursue academic freedom and ideological emancipation. This sentence also reflects Chen Yinque's pursuit of academic research and understanding of intellectual spirit, and has become one of the important slogans of China's modern academic thought.