Mahabharata 1.146.34

न चाप्यधर्मः कल्याण बहुपत्नीकता नृणाम्स्त्रीणामधर्मः सुमहान्भर्तुः पूर्वस्य लङ्घने

na cāpyadharmaḥ kalyāṇa bahupatnīkatā nṛṇāmstrīṇāmadharmaḥ sumahānbhartuḥ pūrvasya laṅghane

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