Mahabharata 6.25.19

तस्मादसक्तः सततं कार्यं कर्म समाचरअसक्तो ह्याचरन्कर्म परमाप्नोति पूरुषः

tasmādasaktaḥ satataṃ kāryaṃ karma samācaraasakto hyācarankarma paramāpnoti pūruṣaḥ

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