功过

yǐ gōng guò lùn rén

以功过论人

judge somebody on his merits and demerits

gōng guò jiān yǒu

功过兼有

have both merits and demerits

gōng guò shì fēi

功过是非

right and wrong

gōng guò xiāng dǐ

功过相抵

merits neutralize demerits

gōng guò zì yǒu hòu rén píng shuō

功过自有后人评说。

Later generations will evaluate somebody's contributions and mistakes fairly.