Mahabharata 12.140.31

नैवोग्रं नैव चानुग्रं धर्मेणेह प्रशस्यतेउभयं न व्यतिक्रामेदुग्रो भूत्वा मृदुर्भव

naivograṃ naiva cānugraṃ dharmeṇeha praśasyateubhayaṃ na vyatikrāmedugro bhūtvā mṛdurbhava

Our plain-language meaning of this verse is waiting for scholar review.