Immanuel Kant quotes (German Philosopher one of the foremost thinkers of the Enlightenment. 1724-1804)
Mark Twain quotes (American Humorist, Writer and Lecturer. 1835-1910)
Henry David Thoreau quotes (American Essayist, Poet and Philosopher, 1817-1862)
Oscar Wilde quotes (Irish Poet, Novelist, Dramatist and Critic, 1854-1900)
Lewis Carroll quotes (English Logician, Mathematician, Photographer and Novelist, especially remembered for Alice's Adventures in Wonderland. 1832-1898)
Albert Einstein quotes (German born American Physicist who developed the special and general theories of relativity. Nobel Prize for Physics in 1921. 1879-1955)
Confucius quotes (China's most famous teacher, philosopher, and political theorist, 551-479 BC)
Leonardo da Vinci quotes (Italian draftsman, Painter, Sculptor, Architect and Engineer whose genius epitomized the Renaissance humanist ideal. 1452-1519)