有仇不报非君子，有冤不伸枉为人
yǒu​chóu​bù​bào​fēi​jūn​zǐ​yǒu​yuān​bù​shēn​wǎng​wéi​rén

not seeking revenge is unworthy of a man

有仇不报非君子，有冤不伸枉为人 有仇不報非君子，有冤不伸枉為人 yǒu​chóu​bù​bào​fēi​jūn​zǐ​yǒu​yuān​bù​shēn​wǎng​wéi​rén
not seeking revenge is unworthy of a man
A person who does not avenge an injustice is no gentleman, and one who does not redress a wrong is not worth being called a man.