Source: Inventing the Future (1963), p. 161
“Few persons can be made to believe that it is not quite an easy thing to invent a method of secret writing which shall baffle investigation. Yet it may be roundly asserted that human ingenuity cannot concoct a cipher which human ingenuity cannot resolve.”
" A Few Words on Secret Writing http://www.lfchosting.com/eapoe/works/essays/fwsw0741.htm" in Graham's Magazine (July 1841).
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Edgar Allan Poe 126
American author, poet, editor and literary critic 1809–1849Related quotes
Source: The Principles of State and Government in Islam (1961), Chapter 3: Government By Consent And Consent, p 50
The Mathematical Papers of Isaac Newton (edited by Whiteside), Volume 7; Volumes 1691-1695 / pg. 261. http://books.google.com.br/books?id=YDEP1XgmknEC&printsec=frontcover
Geometriae (Treatise on Geometry)
Source: The Best of All Possible Worlds (2006), Chapter 7, May The Best One Win, p. 138.
The Iliad of Homer: translated into English blank verse (1791), Preface.
1847
1840s, The Journals of Søren Kierkegaard, 1840s
Context: It is the duty of the human understanding to understand that there are things which it cannot understand, and what those things are. Human understanding has vulgarly occupied itself with nothing but understanding, but if it would only take the trouble to understand itself at the same time it would simply have to posit the paradox.