Bhagavadgeeta Verse 3.39
आवृतं ज्ञानं एतॆन ज्ञानिनः नित्यवैरिणा ।
कामरूपॆण कौन्तॆय दुष्पूरॆण अनलॆन च ॥ ३.३९ ॥
ಆವೃತಂ ಜ್ಞಾನಂ ಏತೇನ ಜ್ಞಾನಿನಃ ನಿತ್ಯವೈರಿಣಾ |
ಕಾಮರೂಪೇಣ ಕೌಂತೇಯ ದುಷ್ಪೂರೇಣ ಅನಲೇನ ಚ || ೩.೩೯ ||
AvRutaM j~jAnaM EtEna j~jAninaH nityavairiNA |
kAmarUpENa kauMtEya duShpUrENa analEna cha || 3.39 ||
Even the knowledge of a learned man is completely obscured by this constant enemy in the form of lust, O Arjuna, who is hard to gratify and is never satisfied.
When overwhelmed by lust, even the knowledge acquired by the study of scriptures cannot become sufficiently firm and clear to enable the individual to rise to that serenity of mind and stability of conviction, that are necessary for receiving the light of revelation.