The Great Epic of the Bhārata dynasty 1.51.15

1.51.15

janamejaya uvāca |
bālābhirūpasya tavāprameya varaṃ prayacchāmi yathānurūpam |
vṛṇīṣva yatte'bhimataṃ hṛdi sthitaṃ tatte pradāsyāmyapi cedadeyam || 15 ||

"Janamejaya then said, 'Thou immeasurable one of such handsome and child-like features, I desire to grant thee a worthy boon. Therefore, ask thou that which thou desirest in thy heart. I promise thee, that I will grant it even if it be ungrantable.'