dhṛtyā — determination; yayā — by which; dhārayate — one sustains; manaḥ — of the mind; prāṇa — life; indriya — and senses; kriyāḥ — the activities; yogena — by yoga practice; avyabhicāriṇyā — without any break; dhṛtiḥ — determination; sā — that; pārtha — O son of Pṛthā; sāttvikī — in the mode of goodness.