事在人为 It depends on human effort
Explanation
这句谚语强调了人的主观能动性在事情成功中的重要作用。意思是事情的成败取决于人的努力，而不是完全依靠外部条件。
This proverb emphasizes the importance of human agency in the success of things. It means that the success or failure of things depends on people's efforts, not entirely on external conditions.
Origin Story
话说唐朝时期，有个名叫李白的书生，家境贫寒，却胸怀大志，一心想金榜题名，光宗耀祖。他刻苦学习，夜以继日，寒窗苦读十年，然而屡试不第。许多人劝他放弃，说他资质平庸，注定无缘仕途。李白却不灰心，他坚信“事在人为”，只要坚持不懈，就一定能成功。他继续努力，潜心研究诗词歌赋，最终他的才华得到了认可，成为一代诗仙，名扬天下，留下了无数千古绝句。
It is said that during the Tang Dynasty, there was a scholar named Li Bai who came from a poor family but had great ambitions. He wanted to pass the imperial examination and bring glory to his ancestors. He studied hard, day and night, and studied hard for ten years, but repeatedly failed the examination. Many people advised him to give up, saying that he was mediocre and had no chance of becoming an official. But Li Bai did not give up. He firmly believed in “事在人为”, and that as long as he persisted, he would surely succeed. He continued to work hard, devoting himself to poetry, until his talent was finally recognized and he became a great poet. He left behind countless immortal poems.
Usage
用于劝勉人们要积极努力，不要消极等待，事情的成功与否关键在于人的努力。
Used to encourage people to be proactive and hardworking, not to wait passively; the success or failure of a thing ultimately depends on one's own efforts.
Examples
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成功并非偶然，事在人为。
chénggōng bìngfēi ǒurán, shì zài rén wéi
Success is not accidental; it is the result of human effort.
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只要努力，事在人为，没有什么不可能。
zhǐyào nǔlì, shì zài rén wéi, méiyǒu shénme bù kěnéng
As long as you work hard, everything is possible because success is in your own hands.