Mahabharata 5.31.18
शान्तिरेवं भवेद्राजन्प्रीतिश्चैव परस्परम्राज्यैकदेशमपि नः प्रयच्छ शममिच्छताम्
śāntirevaṃ bhavedrājanprītiścaiva parasparamrājyaikadeśamapi naḥ prayaccha śamamicchatām
Our plain-language meaning of this verse is waiting for scholar review.
Open in the book