Mahabharata 3.297.35

युधिष्ठिर उवाच · yudhiṣṭhira uvāca

प्राणो वै यज्ञियं साम मनो वै यज्ञियं यजुःवागेका वृश्चते यज्ञं तां यज्ञो नातिवर्तते

prāṇo vai yajñiyaṃ sāma mano vai yajñiyaṃ yajuḥvāgekā vṛścate yajñaṃ tāṃ yajño nātivartate

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