Jñāneśvarī (commentary on the Bhagavadgītā) 3.143

3.143

mhaṇoni aikeṃ pāṃḍavā |
hā svadharmu kavaṇeṃ na saṃḍāvā |
sarvabhāveṃ bhajāvā |
hāci eku ||

Therefore listen, O son of Pāṇḍu: / no one should abandon this own dharma; / with all one's heart, one should attend to / this alone.