Ralph Waldo Emerson quotes (American Poet, Lecturer and Essayist, 1803-1882)
Voltaire quotes (French Philosopher and Writer. One of the greatest of all French authors, 1694-1778)
William Faulkner quotes (American short-story Writer and Novelist, Nobel Prize for Literature in 1949, 1897-1962)
Plutarch quotes (Ancient Greek Biographer and Author, 46-119)
Bertrand Russell quotes (English Logician and Philosopher 1872-1970)
David Brower quotes
Jonas Salk quotes (American Microbiologist, 1914-1995)
Johann Wolfgang von Goethe quotes (German Playwright, Poet, Novelist and Dramatist. 1749-1832)
Helen Keller quotes (American Author and Educator who was blind and deaf. 1880-1968)
