I'm an Atheist, but I often find beauty in religious artwork, writing, or music. In fact, I find myself listening to Christian music fairly often. It's very difficult to divorce yourself from all things religious. We're constantly surrounded by it (next Christmas time, try putting yourself in the mindset of an Atheist.) As an Atheist I can either become embittered by that fact, or I can find value in it despite core differences. I choose the latter option. That said, I take issue with many religious concepts, hence the Atheism.