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First mentioned as "Continuous effort — not strength or intelligence — is the key to unlocking and using our potential." according to Quote Investigator in the 1981 book The Reflecting Pond: Meditations for Self-Discovery by Liane Cordes, Quote Page 89, Hazelden Publishing, Center City, Minnesota. For further research on this quote see: Quote Investigator (August 31, 2013): Continuous Effort — Not Strength or Intelligence — Is the Key to Unlocking and Using Our Potential Winston Churchill? Liane Cordes? Liane Cardes? Apocryphal? Archived on June 2, 2020 from the original. (en) |