BG 2.48

योगस्थः कुरु कर्माणि सङ्गं त्यक्त्वा धनञ्जय। सिद्ध्यसिद्ध्योः समो भूत्वा समत्वं योग उच्यते।।2.48।।

yoga-sthaḥ kuru karmāṇi saṅgaṁ tyaktvā dhanañjaya siddhy-asiddhyoḥ samo bhūtvā samatvaṁ yoga uchyate

yoga-sthaḥ—being steadfast in yog; kuru—perform; karmāṇi—duties; saṅgam—attachment; tyaktvā—having abandoned; dhanañjaya—Arjun; siddhi-asiddhyoḥ—in success and failure; samaḥ—equipoised; bhūtvā—becoming; samatvam—equanimity; yogaḥ—Yog; uchyate—is called

Translation

Perform action, O Arjuna, being steadfast in Yoga, abandoning attachment and balanced in success and failure; evenness of mind is called Yoga.

Commentary

2.48 योगस्थः steadfast in Yoga? कुरु perform? कर्माणि actions? सङ्गम् attachment? त्यक्त्वा having abandoned? धनञ्जय O Dhananjaya? सिद्ध्यसिद्ध्योः in success and failure? समः the smae? भूत्वा having become? समत्वम् evenness of mind? योगः Yoga? उच्यते is called.Commentary Dwelling in union with the Divine perform actions merely for Gods sake with a balanced mind in success and failure. Eilibrium is

Yoga. The attainment of the knowledge of the Self through purity of heart obtained by doing actions without expectation of fruits is success (Siddhi). Failure is the nonattainment of knowledge by doing actions with expectation of fruit. (Cf.III.9IV.14IV.20).