Mahabharata 12.180.6

तथा शरीरसंत्यागे जीवो ह्याकाशवत्स्थितःन गृह्यते सुसूक्ष्मत्वाद्यथा ज्योतिर्न संशयः

tathā śarīrasaṃtyāge jīvo hyākāśavatsthitaḥna gṛhyate susūkṣmatvādyathā jyotirna saṃśayaḥ

Our plain-language meaning of this verse is waiting for scholar review.