Mahabharata 13.128.56
सर्वातिथ्यं त्रिवर्गस्य यथाशक्ति यथार्हतःशूद्रधर्मः परो नित्यं शुश्रूषा च द्विजातिषु
sarvātithyaṃ trivargasya yathāśakti yathārhataḥśūdradharmaḥ paro nityaṃ śuśrūṣā ca dvijātiṣu
Our plain-language meaning of this verse is waiting for scholar review.
Open in the book