2010s, Interview with The Conversation (September 2017)
“I notice in Kentucky a disposition to cry against the tyranny and oppression of our Government. Now, were it not for war you know tyranny could not exist in our Government; therefore any acts of late partaking of that aspect are the result of war; and who made this war? Already we find ourselves drifting toward new issues, and are beginning to forget the strong facts of the beginning. You know and I know that long before the North, or the Federal Government, dreamed of war the South had seized the U. S. arsenals, forts, mints, and custom-houses, and had made prisoners of war of the garrisons sent at their urgent demand to protect them 'against Indians, Mexicans, and negroes.”
1860s, 1864, Letter to James Guthrie (August 1864)
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William T. Sherman 44
American General, businessman, educator, and author. 1820–1891Related quotes

As quoted in "Respek" http://www.listenonrepeat.com/watch/?v=m1_FAsefZ6o (18 July 2004), Da Ali G Show.
2000s

1860s, 1864, Letter to the City of Atlanta (September 1864)
Source: Memoirs of General W.T. Sherman
Context: You cannot qualify war in harsher terms than I will. War is cruelty, and you cannot refine it; and those who brought war into our country deserve all the curses and maledictions a people can pour out. I know I had no hand in making this war, and I know I will make more sacrifices today than any of you to secure peace. But you cannot have peace and a division of our country. If the United States submits to a division now, it will not stop
Context: You cannot qualify war in harsher terms than I will. War is cruelty, and you cannot refine it; and those who brought war into our country deserve all the curses and maledictions a people can pour out. I know I had no hand in making this war, and I know I will make more sacrifices today than any of you to secure peace. But you cannot have peace and a division of our country. If the United States submits to a division now, it will not stop, but will go on until we reap the fate of Mexico, which is eternal war. The United States does and must assert its authority, wherever it once had power; for, if it relaxes one bit to pressure, it is gone, and I believe that such is the national feeling.

1963, American University speech

Source: Civil Government : Its Origin, Mission, and Destiny (1889), p. 10

“History teaches that wars begin when governments believe the price of aggression is cheap.”
Address to the nation from the White House http://www.reagan.utexas.edu/archives/speeches/1984/11684a.htm (16 January 1984)
1980s, First term of office (1981–1985)

and they can use it against their own working classes. On the other hand, the workers in GM certainly didn't win, they lost. They lost the Cold War, because now there's another way to exploit them and oppress them and they're suffering from it.
Forum with John Pilger and Harold Pinter in Islington, London, May 1994 https://web.archive.org/web/20000823015510/http://www.redpepper.org.uk/cularch/xalmeida.html.
Quotes 1990s, 1990-1994