The great sage Nārada overheard this news, and understanding all the activities of Dhruva Mahārāja, he was struck with wonder. He approached Dhruva, and touching the boy’s head with his all-virtuous hand, he spoke as follows.
Srimad Bhagavata Purana
श्रीमद्भागवतमहापुराणम्
मूल श्लोकः
नारदस्तदुपाकर्ण्य ज्ञात्वा तस्य चिकीर्षितम् । स्पृष्ट्वा मूर्धन्यघघ्नेन पाणिना प्राह विस्मितः
nāradastadupākarṇya jñātvā tasya cikīrṣitam | spṛṣṭvā mūrdhanyaghaghnena pāṇinā prāha vismitaḥ
SB 4.8.25