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So, what about "thought"? Where does a thought come from. Chemistry? That is a leap of faith that it just too great. What if the brain is only a computer-like repository of only phyisical experiences? What if the conscious mind is just a split brain argument with one's "self"?
What if the invisible spectrum is reality and what the eye sees is only what's discernible by the brain.
And, what is imagination!? Just exactly what is our ability to create something in the "mind" that is not just a sum of all previous experience, but totally unique from all other experience?
The fact that I have no answers for them does not automatically cause me to believe in a Supreme Being, or a soul, or an afterlife.
I'm not afraid of unaswerable questions. Perhaps someday, science will find an answer to some of them, but perhaps not. Either way, I don't think going back to ancient religious texts clarifies these issues. But maybe Shakespare would... hmmm.