उदासीनवदासीनो गुणैर्यो न विचाल्यते।गुणा वर्तन्त इत्येव योऽवतिष्ठति नेङ्गते
udāsīna-vad āsīno guṇair yo na vichālyate guṇā vartanta ity evaṁ yo ’vatiṣhṭhati neṅgate
He who maintains an attitude of indifference, who is not disturbed by the qualities, who realizes that it is only they who act, and remains calm;
Translated by Shri Purohit Swami
He who, seated like one unconcerned, is not moved by the dualities, and who, knowing that the dualities are active, is self-centered and does not move.
Translated by Swami Sivananda
Word meanings (from the gita/gita dataset)
udāsīna-vat—neutral; āsīnaḥ—situated; guṇaiḥ—to the modes of material nature; yaḥ—who; na—not; vichālyate—are disturbed; guṇāḥ—modes of material nature; vartante—act; iti-evam—knowing it in this way; yaḥ—who; avatiṣhṭhati—established in the self; na—not; iṅgate—wavering