Mahabharata 12.194.20

यथागुणं कर्मगणं फलार्थी; करोत्ययं कर्मफले निविष्टःतथा तथायं गुणसंप्रयुक्तः; शुभाशुभं कर्मफलं भुनक्ति

yathāguṇaṃ karmagaṇaṃ phalārthī; karotyayaṃ karmaphale niviṣṭaḥtathā tathāyaṃ guṇasaṃprayuktaḥ; śubhāśubhaṃ karmaphalaṃ bhunakti

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