Columbus has sailed westward of these isles by the mariner's compass, but neither he nor his successors have found them. We are no nearer than Plato was. The earnest seeker and hopeful discoverer of this New World always haunts the outskirts of his time, and walks through the densest crowd uninterrupted, and, as it were, in a straight line.
Henry David Thoreau (1817–1862), U.S. philosopher, author, naturalist. A Week on the Concord and Merrimack Rivers (1849), in The Writings of Henry David Thoreau, vol. 1, p. 279, Houghton Mifflin (1906).