While still not religious personally, I think I can see now why it makes sense to side with certain things that fundamentally can't have rational justifications

While still not religious personally, I think I can see now why it makes sense to side with certain things that fundamentally can't have rational justifications. Concepts can be broken down into a finite set of parts (e.g. relations and types) which form an infinite set--but still don't cover everything (I'm assuming you're already aware of the different classes of infinite sets, some of which are larger than others). Given that, human conceptualizing must be admitted to be limited in the same way that, e.g., human smell is. In that case, it only makes sense to retain an openness, or at least uncertainty, regarding subjects which may fall outside the ken of the human conceptualizing faculty.