Albert Einstein quotes (German born American Physicist who developed the special and general theories of relativity. Nobel Prize for Physics in 1921. 1879-1955)
Voltaire quotes (French Philosopher and Writer. One of the greatest of all French authors, 1694-1778)
Bertrand Russell quotes (English Logician and Philosopher 1872-1970)
John Tillotson quotes
Benjamin Franklin quotes (American Statesman, Scientist, Philosopher, Printer, Writer and Inventor. 1706-1790)
Henry Wadsworth Longfellow quotes (the most popular American Poet in the 19th century, 1807-1882)