River bridge would be a dwarf, either in height or length. It is certainly thrilling to step into a world where all things are so gigantic. At times a feeling of insignificance crept over me, but I took courage when I thought that a man's greatness consists in his mental powers and not in his physical bulk, for it is true that the fifty ounces of brain in the skull of a Newton have accomplished more marvels than the ten pounds of brain-matter found in the most cultured Jupiterite.
We must give the people of Jupiter credit for exercising a large amount of common sense. In many ways they are more practical than we, and this is quite as noticeable in their language as in any other respect. They have one simple language for the whole globe and in its use they are all agreed. Their vocabulary is small because they have not yet branched out into the infinite varieties of manufacture and invention.
Their words have a marvelous correspondence with the thought or the action expressed, the manner of emphasizing sylla-
