"Never argue with stupid people, they will drag you down to their level and then beat you with experience."
"It ain't what you don't know that gets you into trouble. It's what you know for sure that just ain't so."
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Source: Mark Twain (2014). “Mark Twain on Common Sense: Timeless Advice and Words of Wisdom from America's Most-Revered Humorist”, p.12, Skyhorse Publishing, Inc.
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