Jñāneśvarī (commentary on the Bhagavadgītā) 8.219

8.219

ātāṃ aso heṃ sakaḷa |
jāṇa pāṃ jñānāsi agni mūḷa |
tayā agnīceṃ prayāṇīṃ baḷa |
saṃpūrṇa āthī ||

Now let all this be! / Know that fire is the root of knowledge; / at the time of departure, / the power of that fire is fully present.