Mahabharata 3.68.12

तस्य तद्वचनं श्रुत्वा त्वरितोऽहमिहागतःश्रुत्वा प्रमाणं भवती राज्ञश्चैव निवेदय

tasya tadvacanaṃ śrutvā tvarito'hamihāgataḥśrutvā pramāṇaṃ bhavatī rājñaścaiva nivedaya

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