Things I would like to have originally said

1. “Never attribute to malice that which is adequately explained by stupidity.” {Hanlon's razor (Murphy's Law Book Two: More Reasons Why Things Go Wrong!, p. 52, 1980)}

2. “The person who can't dance says the band can't play.” {Yiddish proverb, similar proverbs exist in other cultures, e.g., Greek proverbs}

3. “All models are wrong, but some are useful.” {George Box (Robustness in Statistics, pp. 201-236, 1979)}

4. “Waste no more time arguing what a good person should be. Be one.” {Marcus Aurelius (Meditations book 8, sect. 16)} - Replace “person” accordingly

5. “You must look at facts, because they look at you.” {Attributed to Winston Churchill (The Wit & Wisdom of Winston Churchill, p. 35, 1995)}

6. “We have one mouth for producing directional sounds; We have two ears (placed anti-diametrically to each other) for sensing sounds from multiple sources and for estimating their direction.” {No source has been identified yet}

7. “When you mentally bring an example of the past to the present, bring also the contemporary context with it.” {No source has been identified yet} - Finds nice applications in Academia

8. “A nation is born Stoic, and dies Epicurian.” {Will Durant (Our Oriental heritage - The story of civilization, #1, January 1935)}

9. “Where’s Mom? Go get her! Tell her to get her friends! They’ll never see a fire like this again!”  {Attributed to Thomas Edison (Article by Richard Feloni)}

10. “Wu wei” {Believed to have origins from Daoism}

11. “Presentism, at its worst, encourages a kind of moral complacency and self-congratulation.” {Lynn Hunt, Against Presentism, Perspecives on History, The newsmagazine of the American Historical Association, May 1, 2002}

12. “If you would be a good reader, read; if a good writer, write.” {Epictetus (Discourses, book 2, ch. 18)}

13. “I'm real when it's useful.” {Batman in Justice League 2017 (Official Comic-Con Trailer, 2:20, July 2016)}

14. “Do you ever regret having them?” {Claire Underwood (House of Cards S4E12 ch. 51, 27:43, March 2016)}

If there are other sources indicating that any of the above proverbs has been recorded earlier than the identified ones, please feel free to contact me for informing me.