Mahabharata 14.9.25
अग्निरुवाचगन्धर्वराड्यात्वयं तत्र दूतो; बिभेम्यहं वासव तत्र गन्तुम्संरब्धो मामब्रवीत्तीक्ष्णरोषः; संवर्तो वाक्यं चरितब्रह्मचर्यः
agniruvācagandharvarāḍyātvayaṃ tatra dūto; bibhemyahaṃ vāsava tatra gantumsaṃrabdho māmabravīttīkṣṇaroṣaḥ; saṃvarto vākyaṃ caritabrahmacaryaḥ
Our plain-language meaning of this verse is waiting for scholar review.