Mahabharata 12.124.26

भार्गवस्त्वाह धर्मज्ञः प्रह्रादस्य महात्मनःज्ञानमस्ति विशेषेण ततो हृष्टश्च सोऽभवत्

bhārgavastvāha dharmajñaḥ prahrādasya mahātmanaḥjñānamasti viśeṣeṇa tato hṛṣṭaśca so'bhavat

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