Mahabharata 13.130.33
व्यपेततन्द्रो धर्मात्मा शक्या सत्पथमाश्रितःचारित्रपरमो बुद्धो ब्रह्मभूयाय कल्पते
vyapetatandro dharmātmā śakyā satpathamāśritaḥcāritraparamo buddho brahmabhūyāya kalpate
Our plain-language meaning of this verse is waiting for scholar review.
Open in the book