Albert Einstein quotes (German born American Physicist who developed the special and general theories of relativity. Nobel Prize for Physics in 1921. 1879-1955)
Plato quotes (Ancient Greek Philosopher He was the world's most influential philosopher. 428 BC-348 BC)
Ralph Waldo Emerson quotes (American Poet, Lecturer and Essayist, 1803-1882)
Friedrich Nietzsche quotes (German classical Scholar, Philosopher and Critic of culture, 1844-1900.)
Dale Carnegie quotes (American lecturer, author, 1888-1955)
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)
Johann Wolfgang von Goethe quotes (German Playwright, Poet, Novelist and Dramatist. 1749-1832)
Martin Luther King, Jr. quotes (American Baptist Minister and Civil-Rights Leader. 1929-1968)
Bertolt Brecht quotes (German poet and playwright, 1898-1956)
Seneca quotes (Roman philosopher, mid-1st century AD)
