सिद्ध्यसिद्ध्योः समो भूत्वा समत्वं योग उच्यते ॥ ४८ ॥
yogasthaḥ kuru karmāṇi saṅgaṃ tyaktvā dhanañjaya .
siddhyasiddhyoḥ samo bhūtvā samatvaṃ yoga ucyate .. 48 ..
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Steadfast in devotion (Yoga) perform works merely for God’s sake, casting off even such attachment as this, “May God be pleased,” and being equanimous in success and failure. Success (siddhi) consists in the attainment of knowledge (jnāna) as the result of the mind (Sattva attaining purity when works are done by one without longing for their fruits; and failure results from the opposite course.
What is that devotion (Yoga) to which Arjuna has been exhorted to resort in performing works? The reply is this:— Evenness of mind in success and failure is called devotion (Yoga).
In comparison with action thus performed in the service of the Īśvara with evenness of mind,