Authors with quote category Supposing That Antoine de Saint-Exupery writer Alexandra Ivy author Aldo Leopold author Bertrand Russell philosopher Isaiah Berlin philosopher Isaac Newton physicist Douglas Adams writer David Ricardo economist David Hume philosopher Howard Zinn historian Hilary Kornblith Henry David Thoreau author Christopher Monckton, 3rd Viscount Monckton of Brenchley journalist Charles Webster Leadbeater author Celia Green writer Calvin Coolidge 30th-us-president Gilbert K. Chesterton writer Gertrude Stein writer George Washington 1st-us-president Friedrich Nietzsche philologist 123»