यदृच्छालाभसन्तुष्टो द्वन्द्वातीतो विमत्सरः। समः सिद्धावसिद्धौ च कृत्वापि न निबध्यते
yadṛichchhā-lābha-santuṣhṭo dvandvātīto vimatsaraḥ samaḥ siddhāvasiddhau cha kṛitvāpi na nibadhyate
Content with what comes to him without any effort of his own, rising above the pairs of opposites, free from envy, his mind balanced in both success and failure; though he acts, the consequences do not bind him.
Translated by Shri Purohit Swami
Content with what comes to him without effort, free from the pairs of opposites and envy, even-minded in success and failure, he acts yet is not bound.
Translated by Swami Sivananda
Word meanings (from the gita/gita dataset)
yadṛichchhā—which comes of its own accord; lābha—gain; santuṣhṭaḥ—contented; dvandva—duality; atītaḥ—surpassed; vimatsaraḥ—free from envy; samaḥ—equipoised; siddhau—in success; asiddhau—failure; cha—and; kṛitvā—performing; api—even; na—never; nibadhyate—is bound