他一生致力于科学救国思想的宣传和实践，主张以科学观念更新人们的思想，以科学精神作为指导人们行动的准则，强调科学在救亡图存中的决定作用，并身体力行地参与科学救国事业。
He devoted himself to publicizing and practicing that thought all his life and claimed to use science to renovate people's ideas and take the spirit of science as the rule of action.
科学实为救国第一事。
留法勤工俭学运动是中国青年为寻求救国真理，输入西方先进科学文化而开展的一场声势浩大的留学运动。
The work-study-in-France was a great study abroad movement, which sought the truth of saving the nation and brought in the western of scientific and culture knowledge by Chinese youth.
留法勤工俭学运动是中国青年为寻求救国真理，输入西方先进科学文化而开展的一场声势浩大的留学运动。
The work-study-in-France was a great study abroad movement, which sought the truth of saving the nation and brought in the western of scientific and culture knowledge by Chinese youth.
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