Mahabharata 5.102.19

शेषेणैवास्य कार्येण प्रज्ञास्याम्यहमायुषःसुपर्णस्य विघाते च प्रयतिष्यामि सत्तम

śeṣeṇaivāsya kāryeṇa prajñāsyāmyahamāyuṣaḥsuparṇasya vighāte ca prayatiṣyāmi sattama

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