1sow the wind and reap the whirlwind (Hosea 8:7)
2evil has its retribution (idiom); to suffer the consequences of one's bad deeds
Examples
shàn yǒu shàn bào善有善报，è yǒu è bào恶有恶报。
善有善报，恶有恶报。
What goes around comes around.
恶有恶报。
Sow the wind, reap the whirlwind.