Tā shòugòu le gōngsī lǐ ěryú-wǒzhà de fēnwéi, cízhí le.
Fed up with the scheming atmosphere at the company, he resigned.
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From 左传: 我无尔诈,尔无我虞 ("I will not deceive you, and you will not suspect me"), originally a peace pledge between Chu and Song, later flipped into its opposite meaning.