Mahabharata 3.33.18

एवं हठाच्च दैवाच्च स्वभावात्कर्मणस्तथायानि प्राप्नोति पुरुषस्तत्फलं पूर्वकर्मणः

evaṃ haṭhācca daivācca svabhāvātkarmaṇastathāyāni prāpnoti puruṣastatphalaṃ pūrvakarmaṇaḥ

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