他山之石可以攻玉

ta1 shan1 zhi1 shi2 ke3 yi3 gong1 yu4

lit. the other mountain's stone can polish jade (idiom); to improve oneself by accepting criticism from outside, to borrow talent from abroad to develop the nation effectively

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他山之石可以攻玉|他山之石可以攻玉 [tā shān zhī shí kě yǐ gōng yù] ► lit. the other mountain's stone can polish jade (idiom); to improve oneself by accepting criticism from outside ► to borrow talent from abroad to develop the nation effectively