Skandapurana 16.223.55

16.223.55

etaddhi sarvamākhyātaṃ yatpṛṣṭāḥ sma dvijottama ..
bhūyo brūhi dvijaśreṣṭha yaścāsti tava saṃśayaḥ .. 55 ..

All this indeed has been told, about which we were asked, O best of brahmins. / Tell us again, O best of brahmins, whatever doubt you still have.”