Mahabharata 12.250.28
धर्मः सनातनश्च त्वामिहैवानुप्रवेक्ष्यतेअहं च विबुधाश्चैव त्वद्धिते निरताः सदा
dharmaḥ sanātanaśca tvāmihaivānupravekṣyateahaṃ ca vibudhāścaiva tvaddhite niratāḥ sadā
Our plain-language meaning of this verse is waiting for scholar review.
Open in the book