“Show me a person who has never made a mistake and I'll show you someone who has never achieved much.”
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Joan Collins1
English actress, author and columnist 1933Related quotes
Isaac Asimov book Foundation’s Edge
Source: The Foundation series (1951–1993), Foundation’s Edge (1982), Chapter 11 “Sayshell” section 3, p. 205
Source: Foundation's Edge
Context: Pelorat sighed. “I will never understand people.”
“There’s nothing to it. All you have to do is take a close look at yourself and you will understand everyone else. We’re in no way different ourselves... You show me someone who can’t understand people and I’ll show you someone who has built up a false image of himself.”
“Show me a person who doesn't have a past and I'll show you a boring bastard”
Marian Keyes (1963) Irish writer
Source: Last Chance Saloon

“Anyone who has never made a mistake has never tried anything new.”
Albert Einstein (1879–1955) German-born physicist and founder of the theory of relativity
Variant: A person who never made a mistake never tried anything new.
Fulton J. Sheen (1895–1979) Catholic bishop and television presenter
Source: The Armor of God (1943), Ch. 1, p. 4
“Show me someone without an ego, and I'll show you a loser.”
Donald J. Trump (1946) 45th President of the United States of America
“Show me a woman who doesn't feel guilty and I'll show you a man.”
Erica Jong (1942) Novelist, poet, memoirist, critic
“Show me a guy who can't pitch inside and I'll show you a loser.”
Sandy Koufax (1935) American baseball player
Source: As quoted in "One Hard Way to Make a Living" https://www.newyorker.com/magazine/1981/05/04/one-hard-way-to-make-a-living by Roger Angell, in The New Yorker (May 4, 1981), p. 96; reprinted in Late Innings (1982) by Roger Angell, p. 358