以心换心将心比心
[yĭ xīn huàn xīn jiāng xīn bĭ xīn]
Heart For Heart, Put Yourself in Another's Shoes: Advocates fairness in treatment among people based on reciprocal respect from the standpoint of empathy—imagining what others may experience as if feeling it oneself. A call for compassionate mutual understanding in interpersonal dealings.