Mahabharata 9.35.9

तेषां तु तपसा प्रीतो नियमेन दमेन चअभवद्गौतमो नित्यं पिता धर्मरतः सदा

teṣāṃ tu tapasā prīto niyamena damena caabhavadgautamo nityaṃ pitā dharmarataḥ sadā

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