"The darkness of the following evening was probably as gross as ever has been observed since the Almighty fiat gave birth to light. It wanted only palpability to render it as extraordinary, as that which overspread the land of Egypt in the days of Moses .... if every luminous body in the universe had been shrouded in impenetrable shades, or struck our of existence, the darkness could not have been more complete. A sheet of white paper held within a few inches of the eyes was equally invisible with the blackest velvet. Considering the small quantity of light that was transmitted by the clouds, by day, it is not surprising that, by night, a sufficient quantity of rays should not be able to penetrate the same strata, brought back the shifting of winds. to afford the most obscure prospect even of the best reflecting bodies."