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It ain't those parts of the Bible that I can't understand that bother me, it is the parts that I do understand.

Mark Twain (2014). “Mark Twain on Common Sense: Timeless Advice and Words of Wisdom from America's Most-Revered Humorist”, p.31, Skyhorse Publishing, Inc.
It ain't those parts of the Bible that I can't understand that bother me, it is the parts that I do understand.