“I do not believe in violent changes, nor do I expect them.”
On Democracy (6 October 1884)
Context: I do not believe in violent changes, nor do I expect them. Things in possession have a very firm grip. One of the strongest cements of society is the conviction of mankind that the state of things into which they are born is a part of the order of the universe, as natural, let us say, as that the sun should go round the earth. It is a conviction that they will not surrender except on compulsion, and a wise society should look to it that this compulsion be not put upon them. For the individual man there is no radical cure, outside of human nature itself, for the evils to which human nature is heir.
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James Russell Lowell 175
American poet, critic, editor, and diplomat 1819–1891Related quotes
“I do not believe in infallible men, nor in an infallible church, nor in an infallible book”
Defence at his Heresy Trial

In this famous statement, Lincoln is quoting the response of Jesus Christ to those who accused him of being able to cast out devils because he was empowered by the Prince of devils, recorded in Matthew 12:25: "And Jesus knew their thoughts, and said unto them, Every kingdom divided against itself is brought to desolation; and every city or house divided against itself shall not stand".
1850s, The House Divided speech (1858)

Letter to Stanley Baldwin (17 October 1940), quoted in Keith Feiling, Neville Chamberlain (London: Macmillan, 1946), p. 456.
Post-Prime Ministerial

As quoted at the J. Paul Getty Museum http://www.getty.edu/art/gettyguide/artMakerDetails?maker=333&page=1

Illustrated London News (29 April 1922)

G. K. Chesterton, in "On Holland" in Illustrated London News (29 April 1922)
Misattributed

But I am a Jew and glad to belong to the Jewish people, though I do not regard it in any way as chosen.
Letter to Central Association of German Citizens of the Jewish Faith, 3 [5] April 1920, as quoted in Alice Calaprice, The Ultimate Quotable Einstein (2010), p. 195; citing Israelitisches Wochenblatt, 42 September 1920, The Collected Papers of Albert Einstein, Vol. 7, Doc. 37, and Vol. 9, Doc 368.
1920s