One verse

Bhagavad Gita 3.39

3.39

आवृतं ज्ञानमेतेन ज्ञानिनो नित्यवैरिणा | कामरूपेण कौन्तेय दुष्पूरेणानलेन च ||३-३९||

āvṛtaṃ jñānametena jñānino nityavairiṇā . kāmarūpeṇa kaunteya duṣpūreṇānalena ca ||3-39||

āvṛtam
covered
jñānam
pure consciousness
etena
by this
jñāninaḥ
of the knower
nitya-vairiṇā
by the eternal enemy
kāma-rūpeṇa
in the form of lust
kaunteya
O son of Kuntī
duṣpūreṇa
never to be satisfied
analena
by the fire
ca
also

Thus the wise living entity’s pure consciousness becomes covered by his eternal enemy in the form of lust, which is never satisfied and which burns like fire.