All action of Sattva, a modification of Prakriti characterised by light and happiness, is for the soul. When Sattva is free from egoism and illuminated with the pure intelligence of Purusha, it is called the self-centred one, because in that state it becomes independent of all relations.
He sought his former accustomed fear of death and did not find it. "Where is it? What death?" There was no fear because there was no death. In place of death there was light.
No creature hath the like resemblance to the divine nature, as light hath. He doth not only dwell in light, but he is light. Light is a pure, bright, clear, spiritual, unmixed substance. God is infinitely so.