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