Mahabharata 13.81.23

अवश्यं मानना कार्या तवास्माभिर्यशस्विनिशकृन्मूत्रे निवस नः पुण्यमेतद्धि नः शुभे

avaśyaṃ mānanā kāryā tavāsmābhiryaśasviniśakṛnmūtre nivasa naḥ puṇyametaddhi naḥ śubhe

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