Sometimes a sophism dilates itself, and penetrates through the whole extent of a long and heavy theory. More frequently it is compressed, contracted, becomes a principle, and is completely covered by a word. A good man once said: "God protect us from the devil and from metaphors!" In truth, it would be difficult to say which of the two creates the more evil upon our planet. It is the demon, say you; he alone, so long as we live, puts ............