Bg 2.50

buddhi-yukto jahatiha
ubhe sukrta-duskrte
tasmad yogaya yujyasva
yogah karmasu kausalam

Word for word: 
buddhi-yuktah — one who is engaged in devotional service; jahati — can get rid of; iha — in this life; ubhe — both; sukrta-duskrte — good and bad results; tasmat — therefore; yogaya — for the sake of devotional service; yujyasva — be so engaged; yogah — Krishna consciousness; karmasu — in all activities; kausalam — art.

Translation by His Divine Grace A. C. Bhaktivedanta Swami Srila Prabhupada:
A man engaged in devotional service rids himself of both good and bad reactions even in this life. Therefore strive for yoga, which is the art of all work.

Purport by His Divine Grace A. C. Bhaktivedanta Swami Srila Prabhupada:
Since time immemorial each living entity has accumulated the various reactions of his good and bad work. As such, he is continuously ignorant of his real constitutional position. One’s ignorance can be removed by the instruction of the Bhagavad-gita, which teaches one to surrender unto Lord Sri Krishna in all respects and become liberated from the chained victimization of action and reaction, birth after birth. Arjuna is therefore advised to act in Krishna consciousness, the purifying process of resultant action.