Mark Twain (1835–1910) American author and humorist
Source: Following the Equator: A Journey Around the World
Quotes in his letter to Jaque Berne, 29 April, 1949 (the day after his return to Paris); as cited in ; as cited in 'Dubuffet, Lévi-Strauss, and the Idea of Art Brut', Kent Minturn http://www.columbia.edu/cu/arthistory/faculty/Minturn/Dubuffet-Levi-Strauss.pdf, p. 250 <br class="br">1940's
Mark Twain (1835–1910) American author and humorist
Source: Following the Equator: A Journey Around the World
Marguerite Yourcenar book Memoirs of Hadrian
Il y a plus d'une sagesse, et toutes sont nécessaires au monde; il n'est pas mauvais qu'elles alternent.
Source: Memoirs of Hadrian (1951), p. 270
William James (1842–1910) American philosopher, psychologist, and pragmatist
Letter to E.L. Godkin (24 December 1895)
1890s
Edmund Burke (1729–1797) Anglo-Irish statesman
Works of Edmund Burke Volume ii, p. 115
Second Speech on Conciliation with America (1775)
Samuel Butler (1835–1902) novelist
Sparks
The Note-Books of Samuel Butler (1912), Part XIV - Higgledy-Piggledy
Nicholas of Cusa (1401–1464) German philosopher, theologian, jurist, and astronomer
Nicholas of Cusa and Jasper Hopkins (Translator). On Equality. 1459.
Fred Thompson (1942–2015) American politician and actor
[Charles Hurt, New York Post, http://www.nypost.com/seven/08182007/news/nationalnews/not_yet_running_thompson_stumps_in_iowa_nationalnews_charles_hurt__washington_bureau_chief.htm, NOT-YET-RUNNING THOMPSON STUMPS IN IOWA, August 18, 2007, 2007-09-21, https://archive.is/5KYSw, 2013-06-30]