Mahabharata 12.336.20
ऋग्वेदपाठपठितं व्रतमेतद्धि दुश्चरम्सुपर्णाच्चाप्यधिगतो धर्म एष सनातनः
ṛgvedapāṭhapaṭhitaṃ vratametaddhi duścaramsuparṇāccāpyadhigato dharma eṣa sanātanaḥ
Our plain-language meaning of this verse is waiting for scholar review.
Open in the book