Bhagwad Gita
Chapter 4, Verse 37
यथैधांसि समिद्धोऽग्निर्भस्मसात्कुरुतेऽर्जुन।
ज्ञानाग्निः सर्वकर्माणि भस्मसात्कुरुते तथा।।4.37।।
As the blazing fire turns firewood to ashes, O Arjuna, so does the fire of knowledge burn to ashes all reactions to material activities.