Mahabharata 2.17.2
साहं प्रत्युपकारार्थं चिन्तयन्त्यनिशं नृपतवेमे पुत्रशकले दृष्टवत्यस्मि धार्मिक
sāhaṃ pratyupakārārthaṃ cintayantyaniśaṃ nṛpataveme putraśakale dṛṣṭavatyasmi dhārmika
Our plain-language meaning of this verse is waiting for scholar review.