Mahabharata 4.3.19

युधिष्ठिर उवाच · yudhiṣṭhira uvāca

कल्याणं भाषसे कृष्णे कुले जाता यथा वदेत्न पापमभिजानासि साधु साध्वीव्रते स्थिता

kalyāṇaṃ bhāṣase kṛṣṇe kule jātā yathā vadetna pāpamabhijānāsi sādhu sādhvīvrate sthitā

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