"Now faith is the substance of things hoped for, the evidence of things not seen." This verse from Hebrews 11:1 seems to justify the believe in anything. If you hope for something, have faith in it, then that's all the evidence that you need.
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Ultimately that did not work for me. My religion came down to what I had faith in. As it turns out I did not have even the faith the size of a mustard seed.
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I am much more comfortable with the person I am today, before I felt like a fraud.