Shiva Purana

siva.sh/siva-purana/uma-samhita/44/111

इति श्रुत्वा वचस्तस्य व्यासस्यामलचेतसः ।। शुचि स्मित्वा महादेवो बालरूपधरोऽब्रवीत् ।। १११ ।।

sanskrit

On hearing these words of Vyāsa of pious mind, lord Śiva who had assumed the form of boy smiled and said.

english translation

iti zrutvA vacastasya vyAsasyAmalacetasaH || zuci smitvA mahAdevo bAlarUpadharo'bravIt || 111 ||

hk transliteration by Sanscript