Mahabharata 5.172.15
न चान्यपूर्वा राजेन्द्र त्वामहं समुपस्थितासत्यं ब्रवीमि शाल्वैतत्सत्येनात्मानमालभे
na cānyapūrvā rājendra tvāmahaṃ samupasthitāsatyaṃ bravīmi śālvaitatsatyenātmānamālabhe
Our plain-language meaning of this verse is waiting for scholar review.
Open in the book