“For the son{past.injection(child)}of man in his{past.injection(their)}day will be as though lightening that flashes in the sky, lightening it up from one end to the other.”
This is the teaching of Brahman, with regards to the gods. It is that which flashes forth in the lightening and now vanishes again. When then is it called like lightening? Because as soon as it comes forth, it lights up the whole body.”