avathar
human creates an image, the best possible, and tries to reach that ideal,
it’s a target set to himself to create an ideal and strive to rise to that ideal
he is not content with two hands
like to have 4 hands, so creates a chathurbhuja
likes to go in space freely , so creates pushpak viman
likes to kill the evil, so creates chakrapani
likes to earn knowledge, so creates a saraswathi

all gods are man’s creations
each man creates his god
he creates in tems of himself , or his surroundings , or imagination,,