Mahabharata 12.215.1

युधिष्ठिर उवाच · yudhiṣṭhira uvāca

यदिदं कर्म लोकेऽस्मिञ्शुभं वा यदि वाशुभम्पुरुषं योजयत्येव फलयोगेन भारत

yadidaṃ karma loke'smiñśubhaṃ vā yadi vāśubhampuruṣaṃ yojayatyeva phalayogena bhārata

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