Mahabharata 3.188.63
शूद्रा धर्मं प्रवक्ष्यन्ति ब्राह्मणाः पर्युपासकाःश्रोतारश्च भविष्यन्ति प्रामाण्येन व्यवस्थिताः
śūdrā dharmaṃ pravakṣyanti brāhmaṇāḥ paryupāsakāḥśrotāraśca bhaviṣyanti prāmāṇyena vyavasthitāḥ
Our plain-language meaning of this verse is waiting for scholar review.
Open in the book