Reality isn’t an abstraction. Religion is. Which is why religion isn’t real.
If something can't be perceived either directly (like rocks) or indirectly (like the subatomic particles that make up rocks), then there's no reason to believe that it is real -- where "real" means being part of the natural world. Many things exist without being real in that sense. Fairies. Unicorns. God. Heaven. These are mental concepts, abstractions. They exist in human minds, but not in the world at large. Yes, a concept can become real if there is evidence for it in the natural world. Einstein's theory of relativity moved from mathematical abstraction to reality when observations and experiments confirmed…
