Mahabharata 12.73.16

ब्राह्मणो हि कुले जातः कृतप्रज्ञो विनीतवाक्श्रेयो नयति राजानं ब्रुवंश्चित्रां सरस्वतीम्

brāhmaṇo hi kule jātaḥ kṛtaprajño vinītavākśreyo nayati rājānaṃ bruvaṃścitrāṃ sarasvatīm

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