If we never aged or changed and if we lived in a world that never changed, there would be little call for religion, no compulsion or need to believe any particular explication of the mysteries. It would be unlikely in such a world for us even to notice that there were any mysteries.
If the world were like an ever shifting terrain of sand dunes, would your religions and traditions serve you as compass or as lane lines spray painted on the sand?
What makes you so sure of your answer? Do you know how hard we try to see changelessness in the flow of existence?