Elbert Hubbard quotes (American editor, publisher and writer, 1856-1915)
Johann Wolfgang von Goethe quotes (German Playwright, Poet, Novelist and Dramatist. 1749-1832)
Henry Wadsworth Longfellow quotes (the most popular American Poet in the 19th century, 1807-1882)
Oliver Wendell Holmes quotes (American Physician, Poet, Writer, Humorist and Professor at Harvard, 1809-1894)
Socrates quotes (Ancient Greek Philosopher, 470 BC-399 BC)
Dorothy Frances Gurney quotes
Plato quotes (Ancient Greek Philosopher He was the world's most influential philosopher. 428 BC-348 BC)
John Dewey quotes (American Philosopher, Psychologist and Educator, 1859-1952)
