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Winston S. Churchill 601
Prime Minister of the United Kingdom 1874–1965Related quotes

“If humans fight the last war, nature fights the next one.”
Source: Antifragile: Things That Gain from Disorder (2012), p. 46

Quoted in The Times, UK (5 August 1980).
1980s and 1990s

“We have hitherto but hunted deer; if we engage in this war, we must prepare to fight tigers.”
Quoted in p. 460 in Prinsep, Henry Thoby (1825). History of the political and military transactions in India during the administration of the Marquess of Hastings, 1813-1823, Vol 1. London: Kingsbury, Parbury & Allen. https://books.google.com/books?id=Tq1jAAAAMAAJ&source=gbs_navlinks_s
Quote
Context: They will not rest satisfied without establishing their own power and authority, and will unite with the hill rajas, whom we have dispossessed. We have hitherto but hunted deer; if we engage in this war, we must prepare to fight tigers.

“Wars are generally a rich man's affair and a poor man's fight.”
" Sanctuary City Mayor Trashes An AMERICAN Hero, Robert E. Lee, https://www.abbevilleinstitute.org/blog/sanctuary-city-mayor-trashes-an-american-hero-robert-e-lee/" The Abbeville Institute, May 25, 2017
2010s, 2017

“In peace, prepare for war. In war, prepare for peace.”
Sometimes erroneously prepended to the opening line "The art of war is of vital importance to the State", but appears to be a variation of the Roman motto "Si vis pacem, para bellum". It's not clear who first misattributed this phrase to Sun Tzu. The earliest appearance of the phrase in Google Books is 1920, when it appeared in a pharmaceutical journal, but no attribution was given then.
Misattributed

As quoted in Clemenceau and the Third Republic (1946) by John Hampden Jackson.
Prime Minister
“Anger prepares us to fight and fear prepares us to flee.”
Source: Made to Stick: Why Some Ideas Survive and Others Die

“The cause of war is preparation for war.”
Source: The Wisdom of W.E.B. Du Bois (2003), p. 75