YMMV of course, but I, personally, have never been able to believe in anything “supernatural” or “revealed.” For most of my childhood I tried – really tried – and thought there was something wrong with me because I couldn’t, but in the end, I gave it up, and I’m much happier for it.
That said, I’ve never, ever seen anything good come from any debate over belief/non-belief: only acrimony, discord, and worse. Centuries of violence, death, and ruin have come from that fight, and The Framers were brilliant in their separation of “church” and state.
No matter how silly I, myself, would feel believing in anything beyond The Natural World, I’ve always tried to maintain an objective, neutral, and non-judgmental position toward others, re: their own belief/non-belief. That’s just simple decency and courtesy (i.e. what separates a society from a mob).
As far as I can tell, nothing good has ever come from that argument, and the only way to “win” it is to avoid it.
I do, however, grow fangs and claws when believers attempt to hijack the state for their beliefs – which is a completely different matter, one I can easily differentiate from personal belief and behavior.
Stick religion’s nose into the state, or the state’s nose into religion, and you’ll pick one helluva fight with me. Otherwise, I have no argument with either believers or non-believers. It’s just none of my own damn business.