Mahabharata 12.36.10
गोसहस्रं सवत्सानां दोग्ध्रीणां प्राणसंशयेसाधुभ्यो वै दरिद्रेभ्यो दत्त्वा मुच्येत किल्बिषात्
gosahasraṃ savatsānāṃ dogdhrīṇāṃ prāṇasaṃśayesādhubhyo vai daridrebhyo dattvā mucyeta kilbiṣāt
Our plain-language meaning of this verse is waiting for scholar review.