Mahabharata 1.99.41

कथमराजकं राष्ट्रं शक्यं धारयितुं प्रभोतस्माद्गर्भं समाधत्स्व भीष्मस्तं वर्धयिष्यति

kathamarājakaṃ rāṣṭraṃ śakyaṃ dhārayituṃ prabhotasmādgarbhaṃ samādhatsva bhīṣmastaṃ vardhayiṣyati

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