Bhagavatapurana 8.5.48

8.5.48

nāvamaḥ karmakalpo 'pi viphalāyeśvarārpitaḥ /
kalpate puruṣasyaiva sa hy ātmā dayito hitaḥ //

48. “Also no course of action, however poor it may be, can be fruitless if resigned to the Lord; on the other hand it tends to good; for the Lord loves and wishes well of him (whatever is resigned to Him cannot become useless).