Srimad-Bhagavatam: Canto 2 - Chapter 1 - Verse 41
Sanskrit:
तं नारद: प्रियतमो रिक्थादानामनुव्रत: ।शुश्रूषमाण: शीलेन प्रश्रयेण दमेन च ॥ ४१ ॥
ITRANS:
taṁ nāradaḥ priyatamorikthādānām anuvrataḥśuśrūṣamāṇaḥ śīlenapraśrayeṇa damena ca
Translation:
Nārada, the most dear of the inheritor sons of Brahmā, always ready to serve his father, strictly follows the instructions of his father by his mannerly behavior, meekness and sense control.