Phrase and idiom g o Gold cant be pure and man can't be perfect 金无足赤,人无完人 今实践是检验真理的唯一标准 Practice is the sole criterion for testing truthPhrase and idiom ❖ Gold can't be pure and man can't be perfect. ❖ 金无足赤,人无完人 ❖ 实践是检验真理的唯一标准 ❖ Practice is the sole criterion for testing truth