Why we believe

[Alex K]

That's just poetry, meaningless for the purpose of this conversation.

Obviously, this spirit thing must be something you recognize as something concrete in yourself, otherwise you would not point to it as a source of knowledge (in the widest sense) - what in your conscious experience is this "spirit"?

Conscious experience, I am redeemed. It's as simple as I can put it.

I think you should consider putting it less simple, in the sense of saying more than mysterious fragments, and relating something more of a coherent concept.