“By what seemed then and still seems a chance, the suggestion of a moment’s idle thought followed up upon familiar lines and paths that I had tracked a hundred times already, the great truth burst upon me, and I saw, mapped out in lines of light, a whole world, a sphere unknown; continents and islands, and great oceans in which no ship has sailed (to my belief) since a Man first lifted up his eyes and beheld the sun, and the stars of heaven, and the quiet earth beneath.”