“Popular forces can win a war against an army.”
Guerrilla Warfare (1960)
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Ernesto Che Guevara 258
Argentine Marxist revolutionary 1928–1967Related quotes

“Can the Army win the war before the Navy loses it?”
The World Crisis, Vol 3, 1916-1918, Part I (1927), Churchill, Thornton Butterworth (London), p. 283.

Mike Province, founder and president of The Patton Society http://www.pattonhq.com/ calls this an urban legend and in the Texas A&M Battalion (2 October 2006) http://media.www.thebatt.com/media/storage/paper657/news/2006/10/02/Aggielife/Traditionally.Speaking-2319058.shtml?sourcedomain=www.thebatt.com&MIIHost=media.collegepublisher.com is quoted as saying "I've gotten e-mails and questions regarding that quote for several years... People will use it with Texas Aggies, The Citadel, Virginia Military Institute and even Clemson. All of these schools want to be linked to Patton... Anything is possible... I honestly don't believe he said it, because I've heard too many people say that he said it about their school. But if anyone out there can find proof that he said it, I'd love to hear about it and get it out there." If any school has a claim, it is the Virginia Military Institute; Patton's grandfather, grand-uncles, and his father all were VMI graduates. Patton himself spent a year at VMI before going to West Point. VMI has many George Patton relics donated by his family in its museum. Please also note that the photo of Patton as a cadet has him wearing a VMI coatee and cap.
Misattributed

“[I take] full military responsibility for the actions of the army in the war against terrorism.”
As quoted in anon (May 18, 2013) "Argentine 'Dirty War' leader Jorge Rafael Videla dies". ABC News.

1960s, Emancipation Proclamation Centennial Address (1962)
“Power can win the body count but it cannot win this war.”
On the war against terrorism
Have We Already Been Defeated? (2001)
Context: Power can win the body count but it cannot win this war. Because the enemy is not human. This is a war against a malicious spirit. Only fools attempt to defeat a spirit with guns and rockets and bombs.

1860s, 1864, Letter to Henry W. Halleck (September 1864)
Source: Letter to Henry W. Halleck https://books.google.com/books?id=HzBCAAAAIAAJ&pg=PA367&dq=%22war+is+war+and+not+popularity+seeking%22++%221864%22&hl=en&sa=X&ei=mtOiVfTpC4uqogTytKPoBQ&ved=0CB0Q6AEwAA#v=onepage&q=%22war%20is%20war%20and%20not%20popularity%20seeking%22%20%20%221864%22&f=false (September 1864).

Camp Columbia, Havana (Jan. 8th, 1959), Fidel Castro Reader, pp. 133

Source: Jan 2021 https://twitter.com/PChidambaram_IN/status/1350733987640086530
1770s, "Give me liberty, or give me death!" (1775)