`` jump overboard , dive in , go on down through that dark until your lungs were bursting , not knowing whether there are things with teeth and great heavy bodies waiting ? '' you better not try that too much without my permission , but it was nice . you were made mine years ago . but in this picture he was kind of ordinary looking and plain and not really attractive . thats at least two days of walking . in thousands of years , nobody had been in a position to remove this danger from the world . 