Devibhagavatapurana 3.15.35

3.15.35

udyamaḥ sarvathā kāryaḥ siddhirdaivāddhi jāyate |
upāyaṃ putrarakṣārthaṃ karomyadya tvarānvitā ||

Though the success depends on Fate, still one should make an earnest effort. If one does not make any effort, fate also remains asleep. I will therefore soon make out a plan to save my son.