Mahabharata 12.258.9

पितुराज्ञां कथं कुर्यां न हन्यां मातरं कथम्कथं धर्मच्छले नास्मिन्निमज्जेयमसाधुवत्

piturājñāṃ kathaṃ kuryāṃ na hanyāṃ mātaraṃ kathamkathaṃ dharmacchale nāsminnimajjeyamasādhuvat

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