What then is our role if any, we may ask. According to the Gita, as long as we remain subject to the play of nature as indeed most are, there is very little role so to say.
Since the moment of creation – if we can call it a moment, for with this moment time begins – there is a race between the forces of creation and those of destruction.
The return of the Light, though seemingly a repetition, is yet, like the changing of the seasons through blossoming in spring time, toil and effort during summer and the cleansing rains during the monsoons before the slow withdrawal during winters, also a forward movement.