Mahabharata 12.229.22

धर्मज्ञानप्रतिष्ठं हि तं देवा ब्राह्मणं विदुःशब्दब्रह्मणि निष्णातं परे च कृतनिश्चयम्

dharmajñānapratiṣṭhaṃ hi taṃ devā brāhmaṇaṃ viduḥśabdabrahmaṇi niṣṇātaṃ pare ca kṛtaniścayam

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