tā​shān​zhī​shí​kě​yǐ​gōng​yù

learning from others

他山之石,可以攻玉 tā​shān​zhī​shí​kě​yǐ​gōng​yù
learning from others
stones from other hills may serve to polish one's own jade; metaphor for using external advice or the experiences of others to improve oneself or remedy one's own deficiencies

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