बुद्धियुक्तो जहातीह उभे सुकृतदुष्कृते।
तस्माद्योगाय युज्यस्व योगः कर्मसु कौशलम्।।2.50।।
2.50 Possessed of wisdom, one rejects here both virtue and vice. Therefore devote yourself to (Karma-) yoga. Yoga is skilfulness in action.
2.50 He, who is established in evenness of mind in the performance of actions, relinishes good and evil Karmas which have accumulated from time immemorial causing bondage endlessly. Therefore acire this aforesaid evenness of mind (Buddhi Yoga). Yoga is skill in action. That is, this evenness of mind when one is engaged in action, is possible through great skill, i.e., ability.
Buddhiyukto jahaateeha ubhe sukrita dushkrite; Tasmaad yogaaya yujyaswa yogah karmasu kaushalam.
buddhi-yuktaḥ—endowed with wisdom; jahāti—get rid of; iha—in this life; ubhe—both; sukṛita-duṣhkṛite—good and bad deeds; tasmāt—therefore; yogāya—for Yog; yujyasva—strive for; yogaḥ—yog is; karmasu kauśhalam—the art of working skillfully