Mahabharata 13.44.24

बन्धुभिः समनुज्ञातो मन्त्रहोमौ प्रयोजयेत्तथा सिध्यन्ति ते मन्त्रा नादत्तायाः कथंचन

bandhubhiḥ samanujñāto mantrahomau prayojayettathā sidhyanti te mantrā nādattāyāḥ kathaṃcana

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