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  • mariokiefer
    • Mar 8, 2021
    • 1 min read

Human Wisdom

“Ninety percent of all human wisdom is the ability to mind your own business.” – Robert A. Heinlein

#FavoriteQuotes

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“And if I claim to be a wise man, well It surely means that I don't know” ~Kansas, “Carry on My Wayward Son”

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