त्यक्त्वा कर्मफलासङ्गं नित्यतृप्तो निराश्रयः। कर्मण्यभिप्रवृत्तोऽपि नैव किञ्चित्करोति सः
tyaktvā karma-phalāsaṅgaṁ nitya-tṛipto nirāśhrayaḥ karmaṇyabhipravṛitto ’pi naiva kiñchit karoti saḥ
Having surrendered all claim to the results of his actions, he is always contented and independent; in reality, he does nothing, even though he appears to be acting.
Translated by Shri Purohit Swami
Having abandoned attachment to the fruits of the action, ever content, depending on nothing, he does not do anything even while being engaged in activity.
Translated by Swami Sivananda
Word meanings (from the gita/gita dataset)
tyaktvā—having given up; karma-phala-āsaṅgam—attachment to the fruits of action; nitya—always; tṛiptaḥ—satisfied; nirāśhrayaḥ—without dependence; karmaṇi—in activities; abhipravṛittaḥ—engaged; api—despite; na—not; eva—certainly; kiñchit—anything; karoti—do; saḥ—that person