BG 4.37
यथैधांसि समिद्धोऽग्निर्भस्मसात्कुरुतेऽर्जुन। ज्ञानाग्निः सर्वकर्माणि भस्मसात्कुरुते तथा
yathaidhānsi samiddho ’gnir bhasma-sāt kurute ’rjuna jñānāgniḥ sarva-karmāṇi bhasma-sāt kurute tathā
As the kindled fire consumes the fuel, so, O Arjuna, the embers of action are burnt to ashes in the flame of wisdom.
Translated by Shri Purohit Swami
As the blazing fire reduces fuel to ashes, O Arjuna, so does the fire of knowledge reduce all actions to ash.
Translated by Swami Sivananda
Word meanings (from the gita/gita dataset)
yathā—as; edhānsi—firewood; samiddhaḥ—blazing; agniḥ—fire; bhasma-sāt—to ashes; kurute—turns; arjuna—Arjun; jñāna-agniḥ—the fire of knowledge; sarva-karmāṇi—all reactions from material activities; bhasma-sāt—to ashes; kurute—it turns; tathā—similarly