“«Nature has time for it,» replied the engineer.
«But what would be the use of new continents?» asked Herbert. «It appears to me that the present extent of habitable countries is sufficient for humanity. Yet nature does nothing uselessly.»
«Nothing uselessly, certainly,» replied the engineer, «but this is how the necessity of new continents for the future, and exactly on the tropical zone occupied by the coral islands, may be explained.”