Same place as where you can see what historical documents are relevant and which are merely propaganda. By analysing the relationship with the source material and other sources. You seem to be stuck in the same delusion as the fundies, that whatever translation you're citing is the source material.

Is missing the point what you do for living? You actually believe that this is the way they choose what they regard as meaningful?

And you then present a false dichotomy: accept the full text or none of it.

So you can believe that paradise existed, but there's no god? You either believe the whole story or none, that is exactly why selecting parts as you see fit is ridiculous. If you just want to embrace christian values, that's different story.