I was suddenly seized by an overpowering vision: I saw a monstrous flood covering all the northern and low-lying lands between the North Sea and the Alps. When it came up to Switzerland I saw that the mountains grew higher and higher to protect our country. I realized that a frightful catastrophe was in progress. I saw the mighty yellow waves, the floating rubble of civilization, and the drowned bodies of uncounted thousands. Then the whole sea turned to blood. This vision lasted about an hour.... Two weeks passed; then the vision recurred, under the same conditions, even more vividly than before, and the blood was more emphasized. An inner voice spoke. “Look at it well; it is wholly real and it will be so. You cannot doubt it.