Speech at Anderson College in Anderson, Indiana (4 March 1979), quoted in Psychology Through the Eyes of Faith (1987) by David G. Myers and Malcolm A. Jeeves. The first sentence is a modification of a quote by Napoleon Hill: "Whatever the mind of man can conceive and believe, it can achieve."
“It comforts me to know that anything I put my mind to, and pursue, I can achieve.”
Source: https://www.imdb.com/name/nm11882368/bio?ref_=nm_dyk_qt_sm#quotes
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Isaac Mashman 50
businessman, speaker 2000Related quotes
Thuy Trang Interview (Encyclopedia of Martial Arts: Hollywood Stars) https://www.youtube.com/watch?v=MwNZAqDAFng&t=54s&ab_channel=DietColaTime (1995)
“If my mind can conceive it; and my heart can believe it — then I can achieve it.”
Similar to a quote by Jesse Jackson, which is in turn a modification of a quote by Napoleon Hill: "Whatever the mind of man can conceive and believe, it can achieve."
Misattributed
Source: The Soul of a Butterfly: Reflections on Life's Journey
Written by Antonio Fresco, Patricia Possollo, Lorena J'zel
Song lyrics, Rattlesnake https://genius.com/Antonio-fresco-patricia-possollo-rattlesnake-lyrics (2019)
As quoted in "U.S. Goalkeeper Faces Difficult Save" http://www.nytimes.com/2008/05/25/sports/soccer/25goalie.html?pagewanted=print, The New York Times (May 25, 2008).
2000s
The Guardian, London, While other boys in his class were reading Shoot! Nigel subscribed to Cordon Bleu magazine, Tim, Adams, 2003-09-14, 2010-05-20 http://observer.guardian.co.uk/foodmonthly/story/0,,1040953,00.html,
In a letter to Lorena Hickok, March 7, 1933