Mahabharata 12.18.25

जातवेदा यथा राजन्नादग्ध्वैवोपशाम्यतिसदैव याचमानो वै तथा शाम्यति न द्विजः

jātavedā yathā rājannādagdhvaivopaśāmyatisadaiva yācamāno vai tathā śāmyati na dvijaḥ

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