O Mahārāja Parīkṣit, descendant of King Bharata, Vasudeva could understand that this child was the Supreme Personality of Godhead, Nārāyaṇa. Having concluded this without a doubt, he became fearless. Bowing down with folded hands and concentrating his attention, he began to offer prayers to the child, who illuminated His birthplace by His natural influence.
Srimad Bhagavata Purana
श्रीमद्भागवतमहापुराणम्
मूल श्लोकः
अथैनमस्तौदवधार्य पूरुषं परं नताङ्गः कृतधीः कृताञ्जलिः । स्वरोचिषा भारत सूतिकागृहं विरोचयन्तं गतभीः प्रभाववित्
athainamastaudavadhārya pūruṣaṃ paraṃ natāṅgaḥ kṛtadhīḥ kṛtāñjaliḥ | svarociṣā bhārata sūtikāgṛhaṃ virocayantaṃ gatabhīḥ prabhāvavit
SB 10.3.12