Mahabharata 3.106.13

पौराणां वचनं श्रुत्वा घोरं नृपतिसत्तमःमुहूर्तं विमना भूत्वा सचिवानिदमब्रवीत्

paurāṇāṃ vacanaṃ śrutvā ghoraṃ nṛpatisattamaḥmuhūrtaṃ vimanā bhūtvā sacivānidamabravīt

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