Mahabharata 1.107.10

श्रुत्वा कुन्तीसुतं जातं बालार्कसमतेजसम्उदरस्यात्मनः स्थैर्यमुपलभ्यान्वचिन्तयत्

śrutvā kuntīsutaṃ jātaṃ bālārkasamatejasamudarasyātmanaḥ sthairyamupalabhyānvacintayat

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