Whilst reading Philip K. Dick's somewhat odd, yet fascinating essay How to Build a Universe That Doesn't Fall Apart Two Days, I came across this great quote:
Reality is that which, when you stop believing in it, doesn't go away.He says it's the best definition he can come up with, and I have to say I can't think of any better. It explains nicely how religion has (in general) moved away from trying to assert its authority by making grand claims about the physical state of the world, and has instead focused on ethical issues such as homosexuality - the world isn't going to go away, it's going to come and bite you in the ass if you believe stupid things about it. However, ethics are simply a human construct, and as such there is no absolute 'reality' that can turn up and show statements to be obviously wrong (You can show the claimed foundations of the ethical structure are wrong, but that's a different story).
