“Education is the key to unlocking the world, a passport to freedom.”
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Oprah Winfrey 143
American businesswoman, talk show host, actress, producer, … 1954Related quotes

“A dream is the key that unlocks the mysteries of the waking world…”

“A good sentence is a key. It unlocks the mind of the reader.”
Entry (1962)
Eric Hoffer and the Art of the Notebook (2005)

“Continuous effort - not strength or intelligence - is the key to unlocking our potential.”
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 http://archive.is/E0M12 on June 2, 2020.
Source: https://quoteinvestigator.com/2013/08/21/effort/ from the original

Chap. 7 : Soften People’s Resistance by Confirming Their Self-opinion
The Laws of Human Nature (2018)

“Of my Base metal may be filed a Key,
That shall unlock the Door he howls without.”
The Rubaiyat (1120)
Context: The Vine had struck a fibre: which about
If clings my being — let the Dervish flout;
Of my Base metal may be filed a Key,
That shall unlock the Door he howls without.

Quantum Mechanics, The Key to Understanding Magnetism, Nobel Lecture http://nobelprize.org/nobel_prizes/physics/laureates/1977/vleck-lecture.pdf (December 8, 1977)