Atheism is not a philosophy; it is not even a view of the world; it is simply an admission of the obvious. In fact, atheist is a term that should not ever exist. No one ever needs to identify himself as a non-astrologer or a non-alchemist. We do not have words for people who doubt that Elvis is still alive or that aliens traversed the galaxy only to molest ranchers and their cattle. Atheism is nothing more than the noises reasonable people make in the presence of unjustified religious beliefs. An atheist is simply a person who believes that the 260 million Americans (87 percent of the population) claiming to 'never doubt the existence of God' should be obliged to present evidence for his existence—and, indeed, for his BENEVOLENCE, given the relentless destruction of innocent human beings we witness in the world each day.
And, for good measure, here's a nice succinct quote from a fellow called Don Hirschberg (I have to confess I hadn't heard of him before today, but I like his analogy): "Calling atheism a religion is like calling bald a hair color."
What does this all mean? Well, it means that we should think of atheism as a default position—like disbelief in astrology or alchemy—that we ought to hold until we are presented with sufficient evidence to switch.