1 July 1748 
Letters to His Son on the Art of Becoming a Man of the World and a Gentleman (1774)
                                    
“There is always a best way of doing everything, if it be to boil an egg. Manners are the happy ways of doing things; each once a stroke of genius or of love, — now repeated and hardened into usage. They form at last a rich varnish, with which the routine of life is washed, and its details adorned.”
1860s, The Conduct of Life (1860), Behavior
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Ralph Waldo Emerson 727
American philosopher, essayist, and poet 1803–1882Related quotes
                                        
                                        Original: Bisogna far tesoro dei nostri errori affinché non si ripetano e ci insegnino ad affrontare la vita nel migliore dei modi. 
Source: prevale.net
                                    
“And if nothing is repeated in the same way, all things are last things.”
Voces (1943)
“Civilized life begins with a boiled egg sitting upright in an egg cup.”
Miss Manners column "Egg On Their Face", June 19, 2005
                                        
                                        In a letter to her husband Otto Modersohn, from Boulevard Raspail 203, Paris, 18 February 1903; as quoted in Paula Modersohn-Becker – The Letters and Journals, ed: Günther Busch & Lotten von Reinken; (transl, A. Wensinger & C. Hoey; Taplinger); Publishing Company, New York, 1983, p. 297 
1900 - 1905