Mahabharata 12.335.77
प्रवृत्तिलक्षणश्चैव धर्मो नारायणात्मकःनारायणात्मको गन्धो भूमौ श्रेष्ठतमः स्मृतः
pravṛttilakṣaṇaścaiva dharmo nārāyaṇātmakaḥnārāyaṇātmako gandho bhūmau śreṣṭhatamaḥ smṛtaḥ
Our plain-language meaning of this verse is waiting for scholar review.
Open in the book