Quotation:

 Friedrich von Schiller quotes (German Poet, Dramatist, Philosopher and Historian. 1759-1805)

 Henry David Thoreau quotes (American Essayist, Poet and Philosopher, 1817-1862)

 Henry David Thoreau quotes (American Essayist, Poet and Philosopher, 1817-1862)

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 Anatole France quotes (French Writer, member of the French Academy and Nobel Prize for Literature in 1921, 1844-1924)

 Carl Sandburg quotes (American Historian, Poet and Novelist, 1878-1967)

 Victor Hugo quotes (French romantic Poet, Novelist and Dramatist, 1802-1885)

 Eleanor Roosevelt quotes (American United Nations Diplomat, Humanitarian and First Lady (1933-45), wife of Franklin D. Roosevelt, 32nd US president. 1884-1962)

 Henry David Thoreau quotes (American Essayist, Poet and Philosopher, 1817-1862)

 Lyndon B. Johnson quotes (American 36th US President (1963-69). 1908-1973)