Mahabharata 14.92.10
किं बलं परमं तुभ्यं किं श्रुतं किं परायणम्कथं भवन्तं विद्याम यो नो यज्ञं विगर्हसे
kiṃ balaṃ paramaṃ tubhyaṃ kiṃ śrutaṃ kiṃ parāyaṇamkathaṃ bhavantaṃ vidyāma yo no yajñaṃ vigarhase
Our plain-language meaning of this verse is waiting for scholar review.