आवृतं ज्ञानमेतेन ज्ञानिनो नित्यवैरिणा | कामरूपेण कौन्तेय दुष्पूरेणानलेन च ॥39॥
āvṛitaṁ jñānam etena jñānino nitya-vairiṇā kāma-rūpeṇa kaunteya duṣhpūreṇānalena cha
āvṛitam—covered; jñānam—knowledge; etena—by this; jñāninaḥ—of the wise; nitya-vairiṇā—by the perpetual enemy; kāma-rūpeṇa—in the form of desires; kaunteya—Arjun the son of Kunti; duṣhpūreṇa—insatiable; analena—like fire; cha—and
O son of Kunti, Knowledge is covered by this constant enemy of the wise in the form of desire, which is an insatiable fire.