Mahabharata 4.38.10

नैवंविधं मया युक्तमालब्धुं क्षत्रयोनिनामहता राजपुत्रेण मन्त्रयज्ञविदा सता

naivaṃvidhaṃ mayā yuktamālabdhuṃ kṣatrayonināmahatā rājaputreṇa mantrayajñavidā satā

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