Mahabharata 6.114.111

ऋषयः पितरश्चैव प्रशशंसुर्महाव्रतम्भरतानां च ये पूर्वे ते चैनं प्रशशंसिरे

ṛṣayaḥ pitaraścaiva praśaśaṃsurmahāvratambharatānāṃ ca ye pūrve te cainaṃ praśaśaṃsire

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