Jǐsuǒbùyù, wùshīyúrén, zhè shì Rújiā de héxīn sīxiǎng zhīyī.
Do not do to others what you do not want done to yourself - this is a core Confucian idea.
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Second half of 己所不欲，勿施于人, attributed to Confucius in 《论语·卫灵公》. Functionally the Chinese equivalent of the Golden Rule, though framed negatively (do not) rather than positively (do).
