The works of Ādi Śaṅkarācārya

Viṣṇusahasranāmastotram

Verse 122

योगयाज्ञवल्क्ये ।अजः शरीरग्रहणात्स जात इति कीर्त्यते ।इति ब्राह्मे ।

In plain words

In the Yoga Yājñavalkya it is declared: 'The unborn takes birth through assuming a body,' and so too in the Brahma Purāṇa.

Close to the Sanskrit

In the Yoga Yājñavalkya: 'The unborn is born due to taking a body, thus he is declared,' thus in the Brāhma [Purāṇa].