Leonardo da Vinci quotes (Italian draftsman, Painter, Sculptor, Architect and Engineer whose genius epitomized the Renaissance humanist ideal. 1452-1519)
Henry David Thoreau quotes (American Essayist, Poet and Philosopher, 1817-1862)
William Ellery Channing quotes (American moralist, Unitarian Clergyman and Author, 1780-1842)
George Bernard Shaw quotes (Irish literary Critic, Playwright and Essayist. 1925 Nobel Prize for Literature, 1856-1950)
