Ralph Waldo Emerson quotes (American Poet, Lecturer and Essayist, 1803-1882)
Bertolt Brecht quotes (German poet and playwright, 1898-1956)
Plato quotes (Ancient Greek Philosopher He was the world's most influential philosopher. 428 BC-348 BC)
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 Pine quotes (English author, d.1851)
Seneca quotes (Roman philosopher, mid-1st century AD)
Albert Einstein quotes (German born American Physicist who developed the special and general theories of relativity. Nobel Prize for Physics in 1921. 1879-1955)
Friedrich Nietzsche quotes (German classical Scholar, Philosopher and Critic of culture, 1844-1900.)
Johann Wolfgang von Goethe quotes (German Playwright, Poet, Novelist and Dramatist. 1749-1832)
Lloyd Alexander quotes (American Author of a number of fantasy books for children and adolescents, b.1924)
