Mahabharata 12.156.1
युधिष्ठिर उवाच · yudhiṣṭhira uvāca
सत्यं धर्मे प्रशंसन्ति विप्रर्षिपितृदेवताःसत्यमिच्छाम्यहं श्रोतुं तन्मे ब्रूहि पितामह
satyaṃ dharme praśaṃsanti viprarṣipitṛdevatāḥsatyamicchāmyahaṃ śrotuṃ tanme brūhi pitāmaha
Our plain-language meaning of this verse is waiting for scholar review.