Bhagavad Gita 4.19

यस्य सर्वे समारंभ: कामसंकल्पवर्जिता: |
ज्ञानाग्निघकर्माणं तमहुः पण्डितं बुधः

Translation

The enlightened sages call those persons wise, whose every action is free from the desire for material pleasures and who have burnt the reactions of work in the fire of divine knowledge.