Mahabharata 12.173.9

मनुष्यो ब्राह्मणश्चासि श्रोत्रियश्चासि काश्यपसुदुर्लभमवाप्यैतददोषान्मर्तुमिच्छसि

manuṣyo brāhmaṇaścāsi śrotriyaścāsi kāśyapasudurlabhamavāpyaitadadoṣānmartumicchasi

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