Property (1935)
Context: Sufficient private property in users' commodities is dependent upon the abolition of private property in primary means of production and distribution. With less private property, we may have more private property and make available plenty for everyone.
“A vote is like a rifle: its usefulness depends upon the character of the user.”
Chapter V Applied Idealism http://www.bartleby.com/55/5.html
1910s, Theodore Roosevelt — An Autobiography (1913)
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Theodore Roosevelt 445
American politician, 26th president of the United States 1858–1919Related quotes

“The character of every act depends upon the circumstances in which it is done.”
Schenck v. United States, 249 U.S. 47, 52 (3 March 1919).
1910s
Source: Tools For Survival (2009), P.149

“The entire vitality of art depends upon its being either full of truth, or full of use”
Lecture IV
Lectures on Art (1870)
Context: The entire vitality of art depends upon its being either full of truth, or full of use; and that, however pleasant, wonderful, or impressive it may be in itself, it must yet be of inferior kind, and tend to deeper inferiority, unless it has clearly one of these main objects, — either to state a true thing, or to adorn a serviceable one.

“For my part I prefer fifty thousand rifles to five million votes.”
Christopher Hibbert, as quoted in Benito Mussolini: The Rise and Fall of Il Duce (1965) p. 40
Undated

“Knowledge is a tool, and like all tools, its impact is in the hands of the user.”
Source: The Lost Symbol

When asked "What innovation will most alter how we live in the next few years, as quoted in TIME magazine (24 October 2005)

“The prosperity and advancement of a nation depend upon its intelligentsia”
Speech (24 December 1940), published in Some Recent Speeches and Writings of Mr. Jinnah (1947), Vol. 1
Message on Pakistan Day, issued from Delhi (23 March 1943)
Context: The prosperity and advancement of a nation depend upon its intelligentsia, and Muslim India is looking forward to her young generation and education classes to give a bold lead for our guidance and a brilliant record of historical achievements and traditions.

Source: Humanity Comes of Age, A study of Individual and World Fulfillment (1950), Introduction p. I - XII