多行不义必自毙

Traditional (Taiwan): 多行不義必自斃

duōxíngbùyìbìzìbì ㄉㄨㄛ ㄒㄧㄥˊ ㄅㄨˋ ㄧˋ ㄅㄧˋ ㄗˋ ㄅㄧˋ

    • persisting in evil brings about self-destruction (idiom)

Character by character

Saying俗语俗語

Proverb谚语諺語 · In everyday use

Literally
do many unjust deeds and you will surely bring about your own downfall
Meaning
Evildoers will end up destroying themselves. A stern, classical warning, similar to 'what goes around comes around'.

Sources