Mahabharata 1.33.16

अथ वा य उपाध्यायः क्रतौ तस्मिन्भविष्यतिसर्पसत्रविधानज्ञो राजकार्यहिते रतः

atha vā ya upādhyāyaḥ kratau tasminbhaviṣyatisarpasatravidhānajño rājakāryahite rataḥ

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