Dāyavibhāga (Inheritance Apportionment) and Household Precedence — Dialogue of Yudhiṣṭhira and Bhīṣma
अपत्यजन्म शूद्रायां न प्रशंसन्ति साधव: । शूद्रायां जनयन् वि्र: प्रायश्चित्ती विधीयते
apatyajanma śūdrāyāṁ na praśaṁsanti sādhavaḥ | śūdrāyāṁ janayan vipraḥ prāyaścittī vidhīyate ||
Bhīṣma dijo: «Los virtuosos no alaban engendrar descendencia por medio de una mujer shudra. Si un bráhmana engendra un hijo en una mujer shudra, se le prescribe un acto de expiación.»
भीष्म उवाच
The verse frames a normative rule of conduct: procreation by a brāhmaṇa with a Śūdra woman is treated as blameworthy in the dharma discourse, and therefore requires prāyaścitta (ritual-moral expiation).
In the Anuśāsana Parva, Bhīṣma instructs Yudhiṣṭhira on dharma and proper conduct. Here he states a social-ethical injunction concerning varṇa boundaries and the consequent need for expiation when they are transgressed.