Mahabharata 12.280.16

भवत्यल्पफलं कर्म सेवितं नित्यमुल्बणम्अबुद्धिपूर्वं धर्मज्ञ कृतमुग्रेण कर्मणा

bhavatyalpaphalaṃ karma sevitaṃ nityamulbaṇamabuddhipūrvaṃ dharmajña kṛtamugreṇa karmaṇā

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