Mahabharata 13.131.2
चातुर्वर्ण्यं भगवता पूर्वं सृष्टं स्वयंभुवाकेन कर्मविपाकेन वैश्यो गच्छति शूद्रताम्
cāturvarṇyaṃ bhagavatā pūrvaṃ sṛṣṭaṃ svayaṃbhuvākena karmavipākena vaiśyo gacchati śūdratām
Our plain-language meaning of this verse is waiting for scholar review.
Open in the book