The great sage Nārada told Dhruva Mahārāja: The instruction given by your mother, Sunīti, to follow the path of devotional service to the Supreme Personality of Godhead, is just suitable for you. You should therefore completely absorb yourself in the devotional service of the Lord.
Srimad Bhagavata Purana
श्रीमद्भागवतमहापुराणम्
मूल श्लोकः
नारद उवाच । जनन्याभिहितः पन्थाः स वै निःश्रेयसस्य ते । भगवान् वासुदेवस्तं भज तत्प्रवणात्मना
nārada uvāca | jananyābhihitaḥ panthāḥ sa vai niḥśreyasasya te | bhagavān vāsudevastaṃ bhaja tatpravaṇātmanā
SB 4.8.40