Atheism is a form of religion too.
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The great atheistic philosophers of the 19th century Schopenhauer, Nietzsche, Marx & Freud didn’t actually prove that God doesn’t exist. They simply assumed that he doesn’t exist and went from there.

In fact, you can’t prove scientifically that God does or does not exist. Both positions are matters of faith.

See the word “scientifically” in the last paragraph. As it happens science is a branch of philosophy. Which is by definition man centered –as in Man is the measure of all things

God is by definition God centered. If Man could measure God then God would not be God.

When God is the measure of all things then you are talking theology. When man is the measure of all things then you are talking philosophy.

A great confusion came into the english speaking world by way of bacon & decartes in the early 1600′s when they created a tree of knowledge and put theology as a subbranch of philosophy.

That has caused considerable confusion ever since.