“Madness is something rare in individuals — but in groups, parties, peoples, and ages, it is the rule.”
Variant: In individuals, insanity is rare; but in groups, parties, nations and epochs, it is the rule.
Source: Beyond Good and Evil
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Friedrich Nietzsche 655
German philosopher, poet, composer, cultural critic, and cl… 1844–1900Related quotes

As quoted in Defending controversial Jewish state bill, Netanyahu says ‘majority rules’ https://www.timesofisrael.com/liveblog_entry/pm-defends-controversial-jewish-state-bill-says-majority-have-rights-too/ (12 July 2018) by Tamar Pileggi, The Times of Israel.
2010s, 2018
The Coming Aristocracy https://fee.org/resources/the-coming-aristocracy-2/
Context: It should be noted that people in the free market rarely bear false witness; integrity is the rule. The morning mile, phone calls, planes the airlines buy, autos by the millions - no one could list the instances - are as represented. We have daily, eloquent, enormous testimony that the Ten Commandments can be and are observed by fallible human beings. Contemporary politics is the most glaring of all exceptions.

Quoted by C. P. Scott in his diary (3 April 1917), in Trevor Wilson (ed.), The Political Diaries of C. P. Scott, 1911-1928 (London: Collins, 1970), p. 274
Prime Minister

Speech delivered in the gardens of the Shaab Hall (May 1, 1959)
Principles of the 14th July Revolution (1959)