Ralph Waldo Emerson quotes (American Poet, Lecturer and Essayist, 1803-1882)
Johann Wolfgang von Goethe quotes (German Playwright, Poet, Novelist and Dramatist. 1749-1832)
Plato quotes (Ancient Greek Philosopher He was the world's most influential philosopher. 428 BC-348 BC)
Dale Carnegie quotes (American lecturer, author, 1888-1955)
Friedrich Nietzsche quotes (German classical Scholar, Philosopher and Critic of culture, 1844-1900.)
Bill Cosby quotes (American Actor, Comedian and Producer. b.1937, Philadelphia, Pennsylvania, USA)
Martin Luther King, Jr. quotes (American Baptist Minister and Civil-Rights Leader. 1929-1968)
Oscar Wilde quotes (Irish Poet, Novelist, Dramatist and Critic, 1854-1900)
Albert Pine quotes (English author, d.1851)
Galileo Galilei quotes (Italian natural Philosopher, Astronomer and Mathematician who made fundamental contributions to the development of the scientific method and to the sciences of motion, astronomy and strength of materials. 1564-1642)
Albert Einstein quotes (German born American Physicist who developed the special and general theories of relativity. Nobel Prize for Physics in 1921. 1879-1955)
