Mahabharata 1.23.8

स विचिन्त्याब्रवीत्पक्षी मातरं विनतां तदाकिं कारणं मया मातः कर्तव्यं सर्पभाषितम्

sa vicintyābravītpakṣī mātaraṃ vinatāṃ tadākiṃ kāraṇaṃ mayā mātaḥ kartavyaṃ sarpabhāṣitam

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