wù​yǐ'è​xiǎo'ér​wéi​zhī

don't do something bad just because it is minor

Senses

勿以恶小而为之/ 勿以惡小而為之 wù​yǐ'è​xiǎo'ér​wéi​zhī don't do something bad just because it is minor

A proverb suggesting that one should not commit an evil act simply because it seems small or insignificant, as all bad deeds have consequences; often paired with 勿以善小而不为 wù​yǐ​shàn​xiǎo'ér​bù​wéi

References

see 勿以恶小而为之/勿以惡小而為之 勿以善小而不为/勿以善小而不為
see 勿以善小而不为/勿以善小而不為 勿以恶小而为之/勿以惡小而為之