Mahabharata 1.43.18

इति निश्चित्य मनसा जरत्कारुर्भुजंगमातमृषिं दीप्ततपसं शयानमनलोपमम्उवाचेदं वचः श्लक्ष्णं ततो मधुरभाषिणी

iti niścitya manasā jaratkārurbhujaṃgamātamṛṣiṃ dīptatapasaṃ śayānamanalopamamuvācedaṃ vacaḥ ślakṣṇaṃ tato madhurabhāṣiṇī

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