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He disliked his fate and his situation.
One day he thought,“I feel depressed because I stay in such a dirty apartment. I would like to stay in the factory and absorb myself in research.”
After a while, he could get some results.
He got interest in his research more and more.
Gradually he had been recognized as an able engineer and highly esteemed among his boss and colleagues.
Working hard made his life interesting and fortune smiled on his hard work.