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The Top 10 Reasons I Don't Believe in God

"Does God exist?" is a valid and relevant question. Here are my top reasons why the answer is a resounding, "No."

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But the blue crayon is worn down to a nub. And it's never turned out to be the right color. And over and over again, throughout history, we've had to go to great trouble to scrape the blue crayon out of people's minds and replace it with the right color. Given this pattern, doesn't it seem that we should stop reaching for the blue crayon every time we see an empty space in the coloring book?

5: The fact that religion runs in families.

The single strongest factor in determining what religion a person is? It's what religion they were brought up with. By far. Very few people carefully examine all the available religious beliefs -- or even some of those beliefs -- and select the one they think most accurately describes the world. Overwhelmingly, people believe whatever religion they were taught as children.

Now, we don't do this with, for instance, science. We don't hold on to the Steady State theory of the Universe, or geocentrism, or the four bodily humours theory of illness, simply because it's what we were taught as children. We believe whatever scientific understanding is best supported by the best available evidence at the time. And if the evidence changes, our understanding changes. (Unless, of course, it's a scientific understanding that our religion teaches is wrong...)

Even political opinions don't run in families as stubbornly as religion. Witness the opinion polls that show support of same-sex marriage increasing with each new generation. Political beliefs learned from youth can, and do, break down in the face of the reality that people see every day. And scientific theories do this, all the time, on a regular basis.

This is emphatically not the case with religion.

Which leads me to the conclusion that religion is not a perception of a real entity. If it were, people wouldn't just believe whatever religion they were taught as children, simply because it was what they were taught as children. The fact that religion runs so firmly in families strongly suggests that it is not a perception of a real phenomenon. It is a dogma, supported and perpetuated by tradition and social pressure -- and in many cases, by fear and intimidation. Not by reality.

6: The physical causes of everything we think of as the soul.

The sciences of neurology and neuropsychology are in their infancy. But they are advancing by astonishing leaps and bounds, even as we speak. And what they are finding -- consistently, thoroughly, across the board -- is that, whatever consciousness is, it is inextricably linked to the brain.

Everything we think of as the soul -- consciousness, identity, character, free will -- all of that is powerfully affected by physical changes to the brain and body. Changes in the brain result in changes in consciousness... sometimes so drastically, they make a personality unrecognizable. Changes in consciousness can be seen, with magnetic resonance imagery, as changes in the brain. Illness, injury, drugs and medicines, sleep deprivation, etc.... all of these can make changes to the supposed "soul," both subtle and dramatic. And death, of course, is a physical change that renders a person's personality and character, not only unrecognizable, but non-existent.

So the obvious conclusion is that consciousness and identity, character and free will, are products of the brain and the body. They're biological processes, governed by laws of physical cause and effect. With any other phenomenon, if we can show that physical forces and actions produce observable effects, we think of that as a physical phenomenon. Why should the "soul" be any different?

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