Bhagavatapurana 8.7.39

8.7.39

āsāṃ prāṇaparīpsūnāṃ vidheyamabhayaṃ hi me /
etāvān hi prabhorartho yaddīnaparipālanam //

38. To these creatures anxious to save their lives, I ought to give protection (against the loss of life;) for the sole duty or purpose of one who is great (powerful) consists in protecting those that are in affliction.