Therefore, O Mighty-armed, his knowledge is steady whose senses are completely restrained from sense-objects.

tasmāt = therefore; yasya = whose; mahābāho = O mighty-armed one; nigṛhītāni = so curbed down; sarvaśaḥ = all around; indriyāṇi = the senses; indriyārthebhyaḥ = from sense objects; tasya = his; prajñā = intelligence; pratiṣṭhitā = fixed.;