"Never argue with stupid people, they will drag you down to their level and then beat you with experience."
"Worrying is paying interest on a debt you might not even owe."
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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.40, Skyhorse Publishing, Inc.
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