Big bang theory. However, I often spiral into what existed before that, surely nothingness had to exist for it to happen but that nothingness is something not truly nothing because if there was nothing there couldn't have been something so the nothingness wasn't true nothingness it was actually something. And then I start wondering if there is a God where did he exist before he created something because he would of had to exist to do create but how did he exist, when did he start to exist, where did he exist, because in order to exist to create existance he had to be somewhere but that somewhere was no where itherwise he couldn' have created somewhere. You see what I mean?