Ralph Waldo Emerson quotes (American Poet, Lecturer and Essayist, 1803-1882)
Plutarch quotes (Ancient Greek Biographer and Author, 46-119)
Plato quotes (Ancient Greek Philosopher He was the world's most influential philosopher. 428 BC-348 BC)
Albert Pine quotes (English author, d.1851)
Bertolt Brecht quotes (German poet and playwright, 1898-1956)
Friedrich Nietzsche quotes (German classical Scholar, Philosopher and Critic of culture, 1844-1900.)
Arthur Rubinstein quotes (Polish born American Composer and Pianist, 1887-1982)
Johann Wolfgang von Goethe quotes (German Playwright, Poet, Novelist and Dramatist. 1749-1832)
Albert Einstein quotes (German born American Physicist who developed the special and general theories of relativity. Nobel Prize for Physics in 1921. 1879-1955)
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)