BHAGAVAD GITA · CHAPTER 3, VERSE 39

Bhagavad Gita 3.39

आवृतं ज्ञानमेतेन ज्ञानिनो नित्यवैरिणा। कामरूपेण कौन्तेय दुष्पूरेणानलेन च॥

Wisdom is enveloped by this eternal enemy of the wise, O son of Kunti, in the form of insatiable desire, which burns like fire.