For most of my life I refused to work at any problem unless its solution seemed to be capable of being put to commercial use.
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Citation
Edison, Thomas Alva. Interview. New York Sun, Feb. 1917.
Edison, Thomas Alva. Interview. New York Sun, Feb. 1917.
Below are one or more quotes that share at least one tag with the quote at the top of the page
Grey, Edward. Twenty-Five Years, 1892-1916. Vo1. 2, Frederick A. Stokes, 1925, ch. 18.
Human Action: A Treatise on Economics
Von Mises, Ludwig. Human Action: A Treatise on Economics. Yale University Press, 1949, ch. 27.
Wilson, Woodrow. Address to congress requesting a declaration of war against Germany. Congress meeting. 2 Apr. 1917, US Capitol Building, Washington, DC, USA.
Wilson, Woodrow. "Address to a Joint Session of Congress Calling for a Declaration of War." Woodrow Wilson: Essential Writings and Speeches of the Scholar-President, edited by Mario R. DiNunzio. New York University Press, 2006.