Verse 1

श्रीवसिष्ठ उवाच । ।प्रह्राद इति संचिन्त्य कृत्वा नारायणीं तनुम् ।पुनः संचिन्तयामास पूजार्थमसुरद्विषः

In plain words

Śrī Vasiṣṭha said: Having reflected thus, Prahrāda, having made his body Nārāyaṇa's own, reflected once more, for the worship of the Foe of the Asuras.