Mudgalapurana 3.46.40

3.46.40

na tvayā vedavidyā yā śikṣitā sā mahāmate |
tathā'pi kathametatte jñānaṃ prāptaṃ vadasva bhoḥ ||

You have not been taught the Vedic lore, O highly wise one; / even so, how was this knowledge obtained by you? Tell us, sir!”