QUOTE : My theory," said that ingenious person, "is that human progress is simply a long march from one inconceivable to another. Look at that airship of ours that came over Porth yesterday: ten years ago that would have been an inconceivable sight. Take the steam engine, stake printing, take the theory of gravitation: they were all inconceivable till somebody thought of them. So it is, no doubt, with this infernal dodgery that we're talking about: the Huns have found it out, and we haven't; and there you are. We can't conceive how these poor people have been murdered, because the method's inconceivable to us." The club listened with some awe to this high argument. After Remnant had gone, one member said: "Wonderful man, that." "Yes," said Dr. Lewis. "He was asked whether he knew something. And his reply really amounted to 'No, I don't,' But I have never heard it better put.