William James quotes (American Philosopher and Psychologist, leader of the philosophical movement of Pragmatism, 1842-1910)
Anne Sophie Swetchine quotes ((1782-1857))
Charles Darwin quotes (English Naturalist and Author of the theory of evolution by natural selection. 1809-1882)
John Maxwell quotes (American Author and motivational speaker )
Nathaniel Branden quotes
Anatole France quotes (French Writer, member of the French Academy and Nobel Prize for Literature in 1921, 1844-1924)
Herbert A. Otto quotes (American Author, leader of the human potential movement )
James Arthur Baldwin quotes (American Essayist, Playwright and Novelist, 1924-1987)
Denis Diderot quotes (French man of letters and philosopher, 1713-1784)
