Mahabharata 4.29.16

प्रज्ञावान्कुरुवृद्धोऽयं सर्वेषां नः पितामहःआचार्यश्च तथा द्रोणः कृपः शारद्वतस्तथा

prajñāvānkuruvṛddho'yaṃ sarveṣāṃ naḥ pitāmahaḥācāryaśca tathā droṇaḥ kṛpaḥ śāradvatastathā

Our plain-language meaning of this verse is waiting for scholar review.