Srimad-Bhagavatam: Canto 8 - Chapter 1 - Verse 38
Sanskrit:
आसां प्राणपरीप्सूनां विधेयमभयं हि मे ।एतावान्हि प्रभोरर्थो यद् दीनपरिपालनम् ॥ ३८ ॥
ITRANS:
āsāṁ prāṇa-parīpsūnāṁvidheyam abhayaṁ hi meetāvān hi prabhor arthoyad dīna-paripālanam
Translation:
It is my duty to give protection and safety to all living entities struggling for existence. Certainly it is the duty of the master to protect his suffering dependents.