Mahabharata 5.149.42

कृतार्थं मन्यते बालः सोऽऽत्मानमविचक्षणःधार्तराष्ट्रो बलस्थं च मन्यतेऽऽत्मानमातुरः

kṛtārthaṃ manyate bālaḥ so''tmānamavicakṣaṇaḥdhārtarāṣṭro balasthaṃ ca manyate''tmānamāturaḥ

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