Prajāpati-vaṃśānukīrtana — Genealogical Enumeration of Progenitors
Dharma’s Line and the Sādhyas
तत्तदेवावगच्छध्वं विष्णोस्तेजोंऽशसंभवम् / स एव जायतेंऽशेन केचिदिच्छन्ति मानवाः
tattadevāvagacchadhvaṃ viṣṇostejoṃ'śasaṃbhavam / sa eva jāyateṃ'śena kecidicchanti mānavāḥ
Know this well: it arises from a portion of Viṣṇu’s tejas; He Himself is born as an aṃśa, as some among men desire.