Srimad-Bhagavatam: Canto 3 - Chapter 1 - Verse 41
Sanskrit:
श्रद्दधानाय भक्ताय विनीतायानसूयवे ।भूतेषु कृतमैत्राय शुश्रूषाभिरताय च ॥ ४१ ॥
ITRANS:
śraddadhānāya bhaktāyavinītāyānasūyavebhūteṣu kṛta-maitrāyaśuśrūṣābhiratāya ca
Translation:
Instruction should be given to the faithful devotee who is respectful to the spiritual master, nonenvious, friendly to all kinds of living entities and eager to render service with faith and sincerity.