Mahabharata 3.262.2
विश्रान्तं चैनमासीनमन्वासीनः स राक्षसःउवाच प्रश्रितं वाक्यं वाक्यज्ञो वाक्यकोविदम्
viśrāntaṃ cainamāsīnamanvāsīnaḥ sa rākṣasaḥuvāca praśritaṃ vākyaṃ vākyajño vākyakovidam
Our plain-language meaning of this verse is waiting for scholar review.