Mahabharata 13.107.30

त्रीणि तेजांसि नोच्छिष्ट आलभेत कदाचनअग्निं गां ब्राह्मणं चैव तथास्यायुर्न रिष्यते

trīṇi tejāṃsi nocchiṣṭa ālabheta kadācanaagniṃ gāṃ brāhmaṇaṃ caiva tathāsyāyurna riṣyate

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