勿以善小而不为
wù​yǐ​shàn​xiǎo'ér​bù​wéi

do not fail to do good just because the deed is small

Senses

勿以善小而不为/ 勿以善小而不為 wù​yǐ​shàn​xiǎo'ér​bù​wéi do not fail to do good just because the deed is small

(proverb) Do not neglect a good deed just because it seems minor; implies that every act of kindness is significant. Often paired with 勿以恶小而为之 wù​yǐ'è​xiǎo'ér​wéi​zhī.

References

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
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