(Excerpt): "The Doctor never did believe this story, but claims for it that, to a great extent, it has altered his whole outlook on life. "Of course, what actually happened—what took place under my own nose," continued the Doctor, "I do not dispute. And then there is the case of Mrs. Marigold. That was unfortunate, I admit, and still is, especially for Marigold. But, standing by itself, it proves nothing. These fluffy, giggling women—as often as not it is a mere shell that they shed with their first youth—one never knows what is underneath. With regard to the others, the whole thing rests upon a simple scientific basis. The idea was 'in the air,' as we say—a passing brain-wave. And when it had worked itself out there was an end of it. As for all this Jack-and-the-Beanstalk tomfoolery—"."