"There! You have it. And during the time of the antipopes, how many schismatic Orders were fabricating their own versions of things, and passing off their versions as the work of earlier men? You can’t know, you can’t really know. That there was on this continent a more advanced civilization than we have now-that can’t be denied. You can look at the rubble and the rotted metal and know it. You can dig under a strip of’ blown sand and find their broken roadways. But where is there evidence of the kind of machines your historians tell us they had in those days? Where are the remains of self-moving carts, of flying machines?"