Improve the following text. Keep sentences as short as possible. Change 75% of the words. "God, even as an idea, is powerful enough to save humanity. And I give them the following example. Let's say there's two versions of you, and both of you each crash on different islands and the islands are full of savages. And one island you crash and they murder you. And then you crash on another island and they want to murder you. But it's against their religion, so they don't murder you. Because of God. didn't God you save your life? Forget about him being a man in the sky. If the idea of God prevent them from murdering you, then God saved your life. True or false? The idea of God kept you alive. God saved your life. If enough people believe in God and it makes the world a better place, then God exists. it is the belief in God in and of itself, which makes the ultra powerful." Provide your response in exactly 2 paragraphs (separated nearby paragraphs with 3 aterisk symbols ***).
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