“Realistic thinking accrues only after mistake making, which is the cosmic wisdom's most cogent way of teaching each of us how to carry on.”
In Buckminster Fuller and Answar Dil, Humans in Universe (1983), 218.
From 1980s onwards
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Buckminster Fuller 171
American architect, systems theorist, author, designer, inv… 1895–1983Related quotes
Keynote speech, Wharton Global Modular Course, May 25, 2015. http://www.inside-rge.com/Sukanto-Tanoto-Entrepreneur-Journey-2
2015

Quoted in Stanley Kubrick at Look Magazine (2013) by Phillipe Mather, p. 46
Context: I think the big mistake in schools is trying to teach children anything, and by using fear as the basic motivation. Fear of getting failing grades, fear of not staying with your class, etc. Interest can produce learning on a scale compared to fear as a nuclear explosion to a firecracker.

“Sometimes the only way to fix a mistake- is to make it twice.”
Source: Girl Talk

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

2013, "Let Freedom Ring" Ceremony (August 2013)
Context: The March on Washington teaches us that we are not trapped by the mistakes of history; that we are masters of our fate. But it also teaches us that the promise of this nation will only be kept when we work together. We’ll have to reignite the embers of empathy and fellow feeling, the coalition of conscience that found expression in this place 50 years ago. And I believe that spirit is there, that truth force inside each of us. I see it when a white mother recognizes her own daughter in the face of a poor black child. I see it when the black youth thinks of his own grandfather in the dignified steps of an elderly white man. It’s there when the native-born recognizing that striving spirit of the new immigrant; when the interracial couple connects the pain of a gay couple who are discriminated against and understands it as their own. That’s where courage comes from -- when we turn not from each other, or on each other, but towards one another, and we find that we do not walk alone. That’s where courage comes from.

“The only sure way to avoid making mistakes is to have no new ideas.”