Bhagavad Gita 4.27
Others again sacrifice their activities and vitality in the spiritual fire of self-abnegation, kindled by wisdom.
सर्वाणीन्द्रियकर्माणि प्राणकर्माणि चापरे।
आत्मसंयमयोगाग्नौ जुह्वति ज्ञानदीपिते॥sarvāṇīndriyakarmāṇi prāṇakarmāṇi cāpare|
ātmasaṃyamayogāgnau juhvati jñānadīpite||
English translation (above): Shri Purohit Swami (1935), public domain. Sanskrit text via github.com/gita/gita (Unlicense).