Mahabharata 13.23.17

भीष्म उवाच · bhīṣma uvāca

आदिष्टिनो ये राजेन्द्र ब्राह्मणा वेदपारगाःभुञ्जते ब्रह्मकामाय व्रतलुप्ता भवन्ति ते

ādiṣṭino ye rājendra brāhmaṇā vedapāragāḥbhuñjate brahmakāmāya vrataluptā bhavanti te

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