Mahabharata 12.88.20

यो राष्ट्रमनुगृह्णाति परिगृह्य स्वयं नृपःसंजातमुपजीवन्स लभते सुमहत्फलम्

yo rāṣṭramanugṛhṇāti parigṛhya svayaṃ nṛpaḥsaṃjātamupajīvansa labhate sumahatphalam

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