“If you are not prepared to use force to defend civilization, then be prepared to accept barbarism.”
Source: Knowledge And Decisions
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Thomas Sowell 101
American economist, social theorist, political philosopher … 1930Related quotes

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“Anger prepares us to fight and fear prepares us to flee.”
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“Peace, freedom and justice are only to be found where people are prepared to defend them.”
Speech to the Conservative Party Convention 1982 https://www.margaretthatcher.org/document/105032
First term as Prime Minister

“If you are prepared to die, you are prepared to live.”
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From a letter to H. P. Lovecraft (c. August 1930)
Letters

http://www.youtube.com/watch?v=aipyRne6dso
Interview in Mexico, 1995

Speech at the Dedication of Great Smoky Mountains National Park, September 2, 1940
1940s