If you are religious, you believe that your religion is the 'right' one—and, in many cases, all others will be sent to hell. Similarly, a nationalist believes his or her nation is better or more advanced—and a racist believes that an inherent difference between each race make his or her ethnicity superior. All of these ideologies spawn the hate, philosophical disagreements, and prejudices that have been the catalysts for various atrocious acts throughout history.

Believers often forget that most atheists used to be religious, that many non-believers used to think they had a personal relationship with their God and they used to 'feel' the power of prayer. They've since learned that it was all a farce, that their feelings were internal emotions and not some external force.

Some people spend their entire lives devoted to a religion that claims to be the ‘right’ religion... they often deny scientific evidence that contradicts their archaic holy books, they sometimes oppress those who disagree with them, and they always do what they do in the name of an unknowable deity... but sometimes, they wake up. Occasionally, they realize that all religions are man-made and that none of them are ‘right.’ And when they do, they can live happy and fulfilling lives without dogma and without anticipating or fearing an afterlife.

If there is a Creator-God, it has used methods of creation that are indistinguishable from nature, it has declined to make itself known for all of recorded history, it doesn't intervene in affairs on earth, and has made itself impossible to observe. Even if you believe in that God... why would you think it would want to be worshiped?

We are all born free from all religious affiliations and only come to believe in such things after being introduced to it ― so, atheism is the default position. Although some children are not indoctrinated with a specific religion before the age of reason, there are many more who are.

While it may be impossible to 'disprove' the existence of some 'Higher Power' or abstract Creator, it is entirely possible — through analysis and research — to find discrepancies within the ancient, organized religious traditions that support the idea of a specific God.

I don’t claim to know an over-arching ‘Meaning of Life,’ but I do operate under the understanding that life should not be lived under the pretense that it is simply a test propagated by an invisible, intangible, Creator-God. And it should not be spent identifying with religious traditions and organized groups that, historically, have been at the root of a tremendous amount of oppression and violence.