Mahabharata 13.128.38
शूद्रान्नवर्जनं धर्मस्तथा सत्पथसेवनम्धर्मो नित्योपवासित्वं ब्रह्मचर्यं तथैव च
śūdrānnavarjanaṃ dharmastathā satpathasevanamdharmo nityopavāsitvaṃ brahmacaryaṃ tathaiva ca
Our plain-language meaning of this verse is waiting for scholar review.
Open in the book