Henry David Thoreau quotes (American Essayist, Poet and Philosopher, 1817-1862)
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Saint Augustine quotes (Ancient Roman Christian Theologian and Bishop of Hippo from 396 to 430. One of the Latin Fathers of the Church. 354-430)
St. Thomas Aquinas quotes (Scholastic philosopher and theologian, 1225-1274)
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C.S. Lewis quotes (British Scholar and Novelist. 1898-1963)